Adopting a pet is a big responsibility, and it will often change the life of the person adopting the pet. It will also, however, absolutely change the life of the pet being adopted as well. These pictures will show you how much difference a single day can make in the life of a pet that has finally been adopted.

It may take a while for some of these pets to get back to proper nutrition, but the change in many of them is psychological, not physical. The look that appears on their face once they've realized that they're going to live in a new forever home is one that probably hasn't crossed their face in a very long time.

Needless to say, if you're thinking about getting a pet, please consider the pros and cons of adoption, too! But if you've already got a cute before-and-after adoptee, we'd love to see their shining face in this post!

(h/t: buzzfeed)

#1 Spokey

Spokey

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ClaraIngewati 4 years ago

cuteness overload!

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#2 Bumble Bee

Bumble Bee

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KimBaxter 4 years ago

<3

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#3 Jackson

Jackson

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AncaVasile 4 years ago

<3 so sweet

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#4 Pillow

Pillow

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AnnaMcHugh 4 years ago

How could you not love that face?

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#5 Sandy

Sandy

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AnnaMcHugh 4 years ago

Happy dog - you'd smile every time you saw that tongue.

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#6 Ned On The Ride Home From The Shelter

Ned On The Ride Home From The Shelter

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KimberleyWolf 4 years ago

amazing he looks so extremely happy it made me giggle

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#7 Little Stray Cat

Little Stray Cat

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AnnaMcHugh 4 years ago

So wittle!

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#8 Amelia

Amelia

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AnnaMcHugh 4 years ago

Best present of all don't need no wrapping!

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#9 Laurel

Laurel

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BarbaraCampbell 4 years ago

Girl friends!

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#10 Bandit

Bandit

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AnnaMcHugh 4 years ago

That is a beautiful shepherd. They're cute when they're pups, but that is going to be a really (big) beautiful dog. Happy family!

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#11 Little Guy

Little Guy

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AnnaMcHugh 4 years ago

Lucky little guy! And lucky owner! Such beautiful white teeth, too. Wish I could have got my dog's teeth that white.

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#12 Val

Val

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AnnaMcHugh 4 years ago

When a dog passes out that hard, you know they're happy with you!

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#13 A Lucky Golden Retrievier

A Lucky Golden Retrievier

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HannaLehmusvirta 4 years ago

Lauhing out loud!!! My sympaties! Know the feeling :)

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#14 Stray Cat

Stray Cat

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AnnaMcHugh 4 years ago

Awwww...

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#15 Chex

Chex

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AngellaAliaga 4 years ago

That looks like my dog! So sweet :)

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#16 Dumbo Plakat Betta Fish

Dumbo Plakat Betta Fish

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KarenWilson 4 years ago

What a amazing change his colour has totally changed ☺️ that's a happy fish xx

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#17 Mira - Found With Severe Mange - Before And After :)

Mira - Found With Severe Mange - Before And After :)

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SmileyRie 4 years ago

A lot of time, effort & love has obviously gone into restoring this gorgeous pups coat & spirit. You have done wonders!

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#18 Lucy Loo

Lucy Loo

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TheresaHoudeshell 4 years ago

Love Lucy loo!!!!!!!

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#19 Carozo Was Abandoned After Being Used By Hunters. Now In A Loving Home.

Carozo Was Abandoned After Being Used By Hunters. Now In A Loving Home.

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AnnaMcHugh 4 years ago

And his mouse. That's cute xxx

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#20 Ara:)- Adopted Her 2 Months Ago

Ara:)- Adopted Her 2 Months Ago

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#21 Nora Budulis

Nora Budulis

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Brix-TX 4 years ago

Bless you

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#22 Bodza

Bodza

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AnnaMcHugh 4 years ago

God, look at the hope in those eyes! And so much happier in the photo on the right :)

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#23 Mazdak(means Wise Little Guy In Persian)lost His Leg In A Car Accident In The Streets Of Tehran

Mazdak(means Wise Little Guy In Persian)lost His Leg In A Car Accident In The Streets Of Tehran

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JodiGriffin 4 years ago

cute - what a brave puddy

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#24 Moos Before And After

Moos Before And After

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MariaJoãoBarata 4 years ago

An astounding difference, looks like a different dog! <3

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#25 Mochi, Months After Rescued From A Backyard Breeder

Mochi, Months After Rescued From A Backyard Breeder

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AnnaMcHugh 4 years ago

That's terrible! How could anyone be so cruel - the poor thing's skeletal! Looks much better now :)

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#26 Me Beloved Zoya - Adopt! Change A Life!

Me Beloved Zoya - Adopt! Change A Life!

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AnnaMcHugh 4 years ago

Nice snake! She looks very well provided-for with softies!

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#27 Mokka

Mokka

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4 years ago

I've cheated a bit. It's not after a day, but some weeks. She was very ill, and it lasted a very long time to get better.

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#28 Cinnamon

Cinnamon

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HanneHermens 4 years ago

He/she is beautiful!!! <3

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#29 Tyron, Found Terrorised And With Pneumonia Crying Under A Car.

Tyron, Found Terrorised And With Pneumonia Crying Under A Car.

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Brix-TX 4 years ago

Bless You

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#30 Brillo, Rescued One Year Ago. Don't Buy A Life... Adopt!

Brillo, Rescued One Year Ago. Don't Buy A Life... Adopt!

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TarynWallace 4 years ago

It makes me smile to see people take the time to figure out how to help their fuzzy kids instead of just giving up. You're an awesome person

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#31 #dana 1 Year Later!

#dana 1 Year Later!

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Brix-TX 4 years ago

Bless you

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#32 Lea - When I Found Her On The Street She Was Starving And Couldn't Walk

Lea - When I Found Her On The Street She Was Starving And Couldn't Walk

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YvonneFurichichi 4 years ago

sweety

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#33 Penny Lane

Penny Lane

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AnnaMcHugh 4 years ago

Cuddlebug.

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#34 1.death Camp Shelter In Romania With Newborn Pups 2.in A Loving Family In Belgium With Her Son

1.death Camp Shelter In Romania With Newborn Pups 2.in A Loving Family In Belgium With Her Son

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BessereWelt 4 years ago

Thank you so much for rescuing these dogs!!!

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#35 Peque

Peque

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VeronicaSaunders 3 years ago

Thank You so much for Caring! Veronica from Australia

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#36 Nana After 5 Years Adoption

Nana After 5 Years Adoption

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Brix-TX 4 years ago

Bless You

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#37 My Name Is Oz ... And I'm A Little Wizard :)

My Name Is Oz ... And I'm A Little Wizard :)

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Brix-TX 4 years ago

Bless you

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#38 Didi, At 2 Weeks Old ( Found In A Bush )and Now,after 3 Years In My Home With Her Teddy Bear.

Didi, At 2 Weeks Old ( Found In A Bush )and Now,after 3 Years In My Home With Her Teddy Bear.

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Brix-TX 4 years ago

Bless You

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#39 Theo. Before: Scared And Lonely - Now: The Sweetest Cat Ever.

Theo. Before: Scared And Lonely - Now: The Sweetest Cat Ever.

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Brix-TX 4 years ago

Bless You

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#40 Zeus - Adopted At Age 14, And Even Younger Now One Year On :)

Zeus - Adopted At Age 14, And Even Younger Now One Year On :)

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Brix-TX 4 years ago

Bless You

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#41 Ponto

Ponto

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AnnaMcHugh 4 years ago

All spruced up and beautiful!

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#42 My Alanek, Difference Only 12 Weeks

My Alanek, Difference Only 12 Weeks

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TarynWallace 4 years ago

I think it was probably a prop and I'm sure she is grateful to be in a home where jewelry is the only thing she needs to worry about now.

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#43 Jake :)

Jake :)

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BessereWelt 4 years ago

So looks a happy friendship...

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#44 Drako

Drako

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RileyDavid 4 years ago

Awww one happy dog!

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#45 Bella Moose

Bella Moose

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Brix-TX 4 years ago

Bless You

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#46 Holly Before And After Adoption

Holly Before And After Adoption

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FejesAttila 4 years ago

I love her face! SO CUTE! :D

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#47 Cooper

Cooper

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JeanneDeaux 4 years ago

Wow, impressive, he knows he is saved... That's amazing.

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#48 Masni

Masni

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EmDiNawawalangBata 4 years ago

Looks classy :)

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#49 Dini

Dini

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TarynWallace 4 years ago

What a handsome mustache.

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#50 Cocó

Cocó

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GeorgiaMo'twasha 4 years ago

So happy and beautiful

#51 Jack

Jack

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MonikaToma 4 years ago

That's a piece of handsome dog !

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#52 Stray No More

Stray No More

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Brix-TX 4 years ago

Bless You

#53 Gary After

Gary After

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BessereWelt 4 years ago

What a nice cuple :-)

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#54 Goran, Before/after

Goran, Before/after

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ShirleyEthier 4 years ago

That is a happy dog

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#55 Smokey. Rescued From Abusive Owners But Is Now Loving Life!

Smokey. Rescued From Abusive Owners But Is Now Loving Life!

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Brix-TX 4 years ago

Bless You

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#56 Tree In The Streets & Tree Now Enjoying Her Mamas Couch :p

Tree In The Streets & Tree Now Enjoying Her Mamas Couch :p

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JessicaShaver 4 years ago

Lololol tree? About as bad as me naming my cat kitty

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#57 Sam - From Ragamuffin To Centre Of The Universe

Sam - From Ragamuffin To Centre Of The Universe

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BessereWelt 4 years ago

Very cute!

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#58 Charlie

Charlie

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ShirleyEthier 4 years ago

Good for charlie looks so happy

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#59 Puma :-)

Puma :-)

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4 years ago

My loved cat: http://www.mayane.com.br/2015/01/puma-mais-de-1-ano.html

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#60 Abigail Potato: Rescued From Kentucky, Now A Goddess In Canada

Abigail Potato: Rescued From Kentucky, Now A Goddess In Canada

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VeronicaSaunders 3 years ago

OMG she's Gorgeous........... Thank You and in Canada WOW!!!!!

#61 Mėta - From Animal Shelter To The Stars

Mėta - From Animal Shelter To The Stars

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Brix-TX 4 years ago

Bless You

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#62 Maskot

Maskot

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RainaVladimirova 4 years ago

great!

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#63 Mara - Blue Eyes Girl

Mara - Blue Eyes Girl

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SaraLee 4 years ago

wow what a beauty!

#64 Princess Lychee: Abbandoned And Loved

Princess Lychee: Abbandoned And Loved

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EmDiNawawalangBata 4 years ago

Almost looks like Pusheen (=^_^=)

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#65 Luna In The Pound And After Adoption

Luna In The Pound And After Adoption

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4 years ago

She is lost! Help us find her.

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#66 Hugo

Hugo

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CaroLievens 4 years ago

Wow Hugo looks just like my Chouffe , also adopted! I hope he's equally sweet ;)

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#67 Clyde

Clyde

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GeorgiaMo'twasha 4 years ago

Comfy

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#68 Masinka 14 Years (4 Years In New Home)

Masinka 14 Years (4 Years In New Home)

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JeanCalloway 4 years ago

Older dogs need love too. :)

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#69 Blanco - The Day We Got Him From The Shelter....then After Lots Of Love!

Blanco - The Day We Got Him From The Shelter....then After Lots Of Love!

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LisaPeterson 4 years ago

Thanks so much for saving this bun! I have a shelter bunny, too! I LOVE them! :)

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#70 Uri - 4 Year Old Stray Cat

Uri - 4 Year Old Stray Cat

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Brix-TX 4 years ago

Bless You

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#71 Meet My Harper! She Was Left At An Alabama Shelter Because She Was 16 And Incontinent.

Meet My Harper! She Was Left At An Alabama Shelter Because She Was 16 And Incontinent.

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GeorgiaMo'twasha 4 years ago

Oh my gosh she is adorable! ! Truly a match made in heaven :) Gorgeous Harper ♡

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#72 Pushkin. The Poet.

Pushkin. The Poet.

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Brix-TX 4 years ago

Bless You

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#73 Zoé - The Hungarian Girl

Zoé - The Hungarian Girl

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#74 Java, Puppy From A Violent Home. The Vet Said To Put Her Down. We Knew Better! The Best Dog

Java, Puppy From A Violent Home. The Vet Said To Put Her Down. We Knew Better! The Best Dog

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LyndelleBee 4 years ago

Well done, she's beautiful!

#75 Frodo And Sam

Frodo And Sam

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ShirleyEthier 4 years ago

Just beautiful.

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#76 Kira - Puppy Mill To Couch Collie

Kira - Puppy Mill To Couch Collie

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4 years ago

Read Kira's story on WordPress: https://kirapuppymilljourney.wordpress.com/about/

#77 1 Year 2 Months After. My Son Since I Rescued Him, Otto

1 Year 2 Months After. My Son Since I Rescued Him, Otto

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JenelleDozier 4 years ago

What an amazing transformation!

#78 Chiky

Chiky

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#79 Leta

Leta

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Sara Lee 4 years ago

what a wonderful transformation!

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#80 Puf

Puf

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Ellura 4 years ago

Look at that smile! :) Lovely.

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#81 Jimbo - Stray Kitten

Jimbo - Stray Kitten

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Brix-TX 4 years ago

Bless You

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#82 Mila Has Been Adopted For 1 Year Now

Mila Has Been Adopted For 1 Year Now