Justin Bieber & The Most Extreme Celebrity Haircuts (PHOTOS)

Justin Bieber got a haircut which sent teenage girls and parents of daughters into a mad frenzy. While Justin will be giving his hair to charities to be auctioned off, we've been thinking about other celebrities whose haircuts have consumed our thoughts over the years. 

PHOTOS: Justin Bieber Cut His Hair

From Demi Moore and Natalie Portman shaving their heads for movie roles, to Cassie and Rihanna shaving part of their heads just because they feel like it, celebrities get creative with the scissors. So here are a few of our favorite celebrity haircuts in honor of Bieber taking a little leap and throwing many for a loop.