Best Dressed at the MTV Movie Awards

While MTV Movie Awards honored a slew of our favorite Young Hollywood hotshots including Robert Pattinson, Kirsten Stewart, Zac Efron and Miley Cyrus, celebs of all stripes showed up to flaunt their fashion savvy on the red carpet. But whose look stole the show? Actress-turned-designer Sienna Miller sparkled in her own green sequined Twenty8Twelve design, proving that this style icon's star still shines bright.

Spotted: Queen B goes bold!

Shedding her headbands and bows, Leighton Meester's Emilio De La Morena cut-out dress and avant-garde purple Brian Atwood boots is definitely gossip worthy!