Star Material: See Celebrities' Most Embarrassing — And Adorable — Childhood Photos
Dec. 9 2014, Updated 1:58 p.m. ET
From cute little kids by the pool to big hair in high school can you guess who these celebrities are from their childhood photos?
Guess who?
Zac Efron
Guess who?
Blake Lively
Blake Lively
Guess who?
Emmy Rossum
Guess who?
Tamra Barney
Guess who?
Katy Perry
Guess who?
Ryan Reynolds
Ryan Reynolds
Ryan Reynolds
Guess who?
Chloe Sevigny
Guess who?
Guess who?
Michael Phelps
Guess who?
Guess who?
Guess who?
Elizabeth Banks
Guess who?
Halle Berry
Guess who?
Sandra Bullock
Guess who?
Naya Rivera
Guess who?
Rachel Zoe
Rachel Zoe
Guess who?
Jessica Biel
Guess who?
Rachel Ray