Good luck in high school, Mia Talerico! After all ... "You’re right we do feel old." "You were just a baby!! I was just a baby!!" a second Instagram user commented. "And since you’re now ...

you was a baby,” he said to Talerico. "I watched you grow up. I watched all of y’all. Literally, you are my childhood.” Related: Ready to Feel Old? Good Luck Charlie’s Mia Talerico ...