Teen Choice Awards Best Dressed

Before fulfilling her hosting duties, the singer hit the green carpet in a metallic Corey Lynn Calter mini dress and spiked heels.

The Ugly Betty star turned up in a curve-hugging Nanette Lepore pencil dress to receive her award for Choice TV breakout.

The Choice female hottie winner was the picture of sunshine in a sweet yellow Yigal Azrouel frock and white platform heels.

Making the most of her killer body, the singer opted for a tight polka-dotted Moschino Cheap & Chic strapless dress.

The singer-actress came ready to present in this adorable one-shoulder hot pink chiffon Malandrino dress.

Keeping it simple, the rap superstar and presenter wowed in a silk YSL jumpsuit, wide leather belt and Spear hoop earrings.

The One Tree Hill actress, who scored three Choice surf boards for her big screen roles, sizzled in a super-tight Hervé Légér striped mini and red Jimmy Choo heels.

The Hills star and Teen Choice winner showed off her design talents in a one-of-a-kind silk teal bubble dress from her namesake line.