Kristen Stewart Fashion Face-Off

They're about to butt heads in Snow White and the Huntsman, so let's give Kristen Stewart and Charlize Theron a taste of what they're in for, shall we?

The former stars in the aforementioned film as the iconic title character, while the latter takes on the apple-armed role of a certain evil queen. Who will come out on top in their fairy tale-based battle? Buy a ticket on June 1 and find out.

But who looked better at this week's London premiere of the movie? You can answer that question below. And don't mind Stewart's expression, she's just bored...

Breaking news from last night's Breaking Dawn premiere: Kristen Stewart and Ashley Greene are both really pretty!

The actresses were all smiles and all glamour on the red carpet of the Nokia Theatre in Los Angeles, posing with fans and co-stars and then by themselves for the throng of photographers fortunate enough to attend the event.

But which of these stars shone the prettiest? That's the question, Twihards. Go choose between Robert Pattinson and Taylor Lautner and then study the styles chosen below by Stewart and Greene. Which do you like best?

The annual Costume Institute Gala at The Metropolitan Museum of Art has been called the Oscars of Fashion, and below, a couple of style stars go toe-to-toe.

People's most beautiful woman in the world, Jennifer Lopez, turned heads in a fantastic fuchsia Gucci number, while Kristen Stewart's gown also won raves.

Who wins this Fashion Face-Off from the 2011 MET event, the Breaking Dawn star or American Idol's judge? You decide by casting your votes below ...