Really, how does one tell Joel Madden and Pete Wentz apart. Besides their use of a flat iron, these dudes have so many things in common:

For now, though, our celebrity hair police are focusing on the man-bangs and general greasiness that definines the rockers' signature "look."

Posted in: Joel Madden

One of Lily Allen's best-known songs is called "Smile."

Well, the British pop wreck recently gave celebrity hairstyle watchers a lot to smile about when she upgraded her raggedy-ass pink 'do for the healthier and cleaner, chestnut-brown cut seen below (in London on Monday).

Posted in: Lily Allen

Brace yourself for a celebrity hairstyle shocker. A photo of Amy Winehouse with no beehive comes as a pretty big surprise to our celeb gossip writers, the hairstyle equivalent of Blake Fielder-Civil without heroin pumping through his veins.

But he's a whole 'nother story.

Posted in: Amy Winehouse