It's hard to believe that celebs were once mere mortals like us, here's the best (and worst) celebrity yearbook photos we could get our hands on...
The Best and worst Celebrity Yearbook photos

Nicki Minaj
Nicki Minaj

Kesha
Kesha

Amethyst Kelly aka Iggy Azalea
Amethyst Kelly aka Iggy Azalea

Taylor Lautner
Taylor Lautner

Jennifer Lawrence
Jennifer Lawrence

Ariana Grande
Ariana Grande

Miley Cyrus
Miley Cyrus

Selena Gomez
Selena Gomez

Katy Perry (then Katy Hudson)
Katy Perry (then Katy Hudson)

Emma Stone
Emma Stone

Justin Bieber
Justin Bieber

Bruno Mars
Bruno Mars

Little Mix's Jesy Nelson
Little Mix's Jesy Nelson

Snoop Dogg
Snoop Dogg

Eminem
Eminem

Owen Wilson
Owen Wilson

Orlando Bloom
Orlando Bloom

Channing Tatum
Channing Tatum

Zac Efron
Zac Efron

Taylor Swift
Taylor Swift

Matthew McConaughey
Matthew McConaughey

Jamie Foxx
Jamie Foxx

Matt Damon
Matt Damon

Kanye West
Kanye West

George Clooney
George Clooney