July 15, 2013 at 12:55 PM ET
Everyone knows that adolescence can feel like a roller coaster of change. But some kids are fortunate enough to have at least one constant in their young lives: their pets.
If we're lucky, our animals are there for our good days and the bad ones — from when we take our first steps to the moment we leave our childhood homes behind. And to celebrate these ever-faithful companions, we want to see pictures of your children (or you!) growing up with your four-legged friends.
Submit your then-and-now photos below: