15 Puppies That Grew Up Too Fast

Before-and-after pics are one of the internet's favorite parlor games.

And within the genre fall so-called side-by-side "glow-ups," which typically chart the progression from awkward adolescent to right-swipe-worthy adult.

But, as a massively viral Twitter thread reveals, the format isn't solely reserved for humans.

"The only glow up that matters."

Prompted by a tweet from @animalcute, people on the microblogging platform are sharing images of their dogs' transformations and the result is a sprawling thread as heartwarming as it is adorable.

For your scrolling pleasure then, enjoy this curated selection of the very best and squee-inducing contributions.

1. "Four months between these pictures!!"

2. "A grown boy 😭"

3. "She grew up sooooo fast!"

4. "His face says it all"

5. "[What a swiss shepherd puppy looks like after] seven months"

6. "😍😍😍"

7. "Omg, this is my [good] boi"

8. "Just add water and fluffy POOF later you gotcherself a big ol' pupper!"

9. "This is the cutest thing i have ever seen."

10. "La bebé 🖤"

11. "Minnie not so Minnie anymore...."

12. "4 month difference 🐾"

13. "Same energy"

14. "Cute doggo. I see that it also ate your walls.🤣🤣🤣"

15. "Looking like me when I get forced to take pictures"

SPOILER: He's not really all grumps all the time.

We're not crying, you're crying.

Got a pet glow-up of your own to share? Post it below in the comments or find us on the ole Facebook.

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