According to Know Your Meme, the 'how it started vs. how it ended' meme was first posted on September 23, 2020, when Twitter user Vjillanelles shared their relationship evolution. So in meme years, it's like 127 or so. However, it is still going strong. Mostly because of how versatile it is.

We've had couples sharing their versions of the meme, as well as artists, pilots, and pretty much all kinds of folks celebrating their life achievements. Now, pet owners are hijacking it. From pups becoming service dogs to fluffy kitties growing into majestic queens, continue scrolling and check out these wholesome pictures.

Discover more in 45 Of The Best Reactions Pet Owners Had To The 'How It Started Vs. How It Ended' Meme Challenge

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#1

Comparison of a pet owner's rescue of an emaciated dog and the dog later healthy and wearing a colorful unicorn headband.

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A lot of these memes focus on the recoveries neglected animal went through after finding their forever homes. Which is great. Caring for a companion animal goes far beyond providing food, water, and shelter. So seeing people putting in the effort to make the critters enjoy life is really awesome.

"Helping vulnerable animals and keeping pets in safe and loving homes requires a commitment from all of us—advocates, pet owners, shelters, leaders, and entire communities. When we work together under a common cause, we’re both saving lives and elevating our society and its laws to ensure cruelty victims and other at-risk animals receive the protection and care they deserve," Matthew Bershadker, ASPCA President & CEO, wrote.
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    #2

    Before and after photos of a rescued dog showing the best reactions of pet owners to meme challenges.

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    Around 6.5 million companion animals enter U.S. animal shelters every year (of those, approximately 3.3 million are dogs and 3.2 million are cats). However, the good news is that experts estimate that this number has steadily declined from annually has declined from approximately 7.2 million in 2011.
    #3

    Dog before and after healing, showing pet owners' best reactions to the how it started vs how it ended meme challenge.

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    #4

    Couple with their dog as a puppy and later with the grown dog by a decorated Christmas tree, pet owner reactions.

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    #5

    Before and after photos of a rescued dog showing the best reactions pet owners had to the how it started vs how it ended meme challenge.

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    #6

    Tabby cat comparison showing how it started as a kitten versus how it ended as a grown cat in the meme challenge.

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    #7

    Golden retriever puppy and adult dog side by side showing pet owners' reactions to how it started vs how it ended meme challenge

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    #8

    Side-by-side photos showing pet owners' reactions to the how it started vs how it ended meme with black cats.

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    #9

    Cat inside a cage in the first image and the same cat walking on a desk with a man in the background, pet owner reactions meme challenge.

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    #10

    Dog owner reactions to how it started vs how it ended meme challenge featuring a dog and sloth toy in a crate.

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    #11

    Pet owner holding a fluffy white cat outside contrasted with the cat resting on a bed indoors, showing pet reaction changes.

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    #12

    Kitten growing into an adult cat wearing a harness, showcasing pet owners reactions to how it started vs how it ended.

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    #13

    Young woman with curly hair poses with her golden doodle puppy and then grown dog in a pet owner reaction meme challenge.

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    #14

    Two photos showing pet owners’ reactions with kittens in the how it started vs how it ended meme challenge.

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    #15

    Three images showing a small white dog from a pup on the ground to a happy pet in a car seat, pet owners' reaction meme.

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    #16

    Split image showing a dirty dog lying outside versus the same dog clean and wearing a red sweater indoors in a pet owner reaction.

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    #17

    Pet owner holding a small dog in first photo and the same owner holding a much bigger dog in the second photo.

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    #18

    Small dog transformation shown in how it started vs how it’s going meme, highlighting pet owners' best reactions.

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    #19

    Side-by-side photos showing pet owners' reactions to the how it started vs how it ended meme with a dog.

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    #20

    Before and after photos of a small dog showing progress in the best reactions pet owners had meme challenge.

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    #21

    Side-by-side photos of a kitten then and a grown cat, showing pet owners' reactions to the how it started vs how it ended meme challenge.

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    #22

    Side-by-side photos showing a dog’s transformation, highlighting the best pet owner reactions meme challenge.

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    #23

    Puppy growing up in how it started vs how it's going meme showing pet owners' best reactions.

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    #24

    Before and after photos of a dog showing a pet owner reaction to the how it started vs how it ended meme challenge.

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    #25

    Two dogs shown in four photos from when they first met to a close, affectionate friendship, pet owners' reactions meme challenge.

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    #26

    Golden retriever puppy sitting indoors versus grown dog playing outside with a bat, pet owners' reaction to meme challenge.

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    #27

    Side-by-side photos of a white dog showing pet owners' reactions to the how it started vs how it ended meme challenge.

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    #28

    Side-by-side images of a Shar Pei dog showing how it started vs how it ended in pet owner reactions meme challenge.

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    #29

    Two Boston Terriers side by side showing pet owners’ best reactions to how it started vs how it ended meme challenge.

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    #30

    Side-by-side photos showing a dog’s growth, capturing pet owners’ reactions to the meme challenge about how it started vs how it ended.

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    #31

    Side-by-side images of a Rottweiler from puppy to adult showing best reactions pet owners had in meme challenge.

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    #32

    Pet owner holding small puppy inside, then outside holding grown dog, showcasing best reactions meme challenge.

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    #33

    Tabby cat shows growth from kitten on owner's lap to relaxed adult on wooden deck in pet owners' reaction meme challenge.

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    #34

    Small dog transformation photo showing pet owners reactions to how it started vs how it ended meme challenge

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    #35

    Great Dane puppy sitting on a couch compared to the same dog grown, sitting by a door, showcasing pet owner reactions meme.

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    #36

    Before and after images of a dog showing the best reactions pet owners had to the how it started vs how it ended meme challenge.

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    #37

    Side-by-side photos of a boxer dog puppy and adult dog showing pet owner reactions meme challenge.

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    #38

    Puppy transformation showing how pet owners reacted to the how it started vs how it ended meme challenge.

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    #39

    Golden retriever puppy sitting indoors contrasted with the same dog older, resting by a waterfall leash attached.

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    #40

    Two side-by-side photos of a dog as a puppy and grown up showing pet owners' reactions meme challenge.

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    #41

    Puppy to adult dog transformation in popular how it started vs how it ended meme pet owners reactions.

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    #42

    Woman holding her dog in a how it started vs how it’s going pet owners reaction meme challenge photo.


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