Kittens don't stay little forever, but fond memories of their kittenhood can be treasured forever, especially if properly documented.
1. He curls his tail the other way now, but otherwise — still the same.
2. This is the absolute best kind of transformation: from the streets to a loving home.
3. A little less fluffy, a lot more sassy.
5. Now with 70 percent more tail!
6. If she looks sad, it's because she doesn't fit in that bed anymore.
7. From a handful to an armful!
8. Still rocking a cute little hat.
9. Once a weirdo, always a weirdo.
10. Same windowsill? Different windowsill?
11. There's no mistaking those markings.
12. Look who learned to stand on all fours!
13. Fluffier and fluffier with each passing day.
14. From surly kitten to sociable cat.
15. This tuxedo'ed fella has been dressed to the nines since the day he was born.
16. A lifelong expert in the art of napping.
17. Laundry baskets are for life.
18. This cat mustache you a question, and there's no time for kitten around.
19. There's still something on the ceiling.
20. Nice to see that little pink button nose isn't going anywhere.
21. This kitty kicked cancer's butt, and grew up handsome as heck.
22. What a difference a year makes!