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

We've already learned that she can bust out a ridiculous o-face, but which hair color works better on Mandy Moore while doing so?

Recently, the pop singer and actress lightened up her traditional brunette locks to a warm strawberry blonde - and she looks great!

Posted in: Mandy Moore

Today's featured celebrity hairstyle is one of our Heroes. That's right, it's the petite, adorable, 18-year-old Hayden Panettiere!

Stylist Jen Atkin at the Chris McMillan Salon in L.A. gave the actress and girlfriend of Milo Ventimiglia a chin-length style June 6.

Posted in: Hayden Panettiere

We've highlighted some great celebrity hairstyles this week, from Lauren Conrad to Kim Kardashian. In the case of Hilary Duff, however, we're focused not only on the style, but on the starlet's recent color change as well!

The singer/actress/girlfriend of Mike Comrie lightened up her usual caramel color to more of a softer, lighter blonde this week. Check out the photo comparison below ...

Posted in: Hilary Duff

"I've been trying to braid my hair like LC, and I can't figure out how she does it. Can you post a picture?" - from The Hollywood Gossip mailbag

We can't help this reader with tips on how to copy LC's look, but we can certainly oblige by posting a photo of this celebrity hairstyle - one as cute as it is unusual.

Posted in: Lauren Conrad