Cameron Diaz looking cute in a Michael Kors top & belt.  Jeans are 7 for All Mankind.  DSquared2 shoes, LAI bag and ring from Alexis Bittar.  She wore a bracelet from Gemma Redux. Cameron was styled by Rachel Zoe.

Miley Cyrus is wearing a dress from Sheri Bodell.  Jewelry is from Coomi and shoes are Joie.  Miley was styled by Tara Swennen.

Amber Valetta was wearing a dress from Preen with a Chanel clutch ...  styled by Lia Davis.

Demi Lovato is wearing a dress from Ina Soltani with YSL heels.  Bracelets are Swarovski and diamond ring and hoop earrings are Rosalina Jewelry.  Demi was styled by Michelle Tomaszewski.

Emma Roberts wore a D&G orange strapless dress with black lace overlay.  Shoes were Jimmy Choo booties and her ring & cuff were from CC Skye.  Emma was styled by MAUDE (Emily Current & Merritt Elliott).

America Ferrara wore a J. Mendel dress with Jimmy Choos.  Bracelets were H. Stern's Neptune Bracelet and Stars Deco Bracelet in 18K gold with diamonds.  Her ring was one-of-a-kind from the Stern Star Collection in 18K gold with white & black diamonds.  She was styled by Annabel Tollman.  Her makeup look was created by artist Vanessa Scali.

Keke Palmer wore an Elise Overland stretch-leather sheen minidress to the awards.  Bracelets were platinum and diamond from Neil Lane.  Earrings were 18 carat oxidized gold and diamond Strburst from Platt Boutique.

Ashley Tisdale wore a dress from Akiko Ogawa.  Ashley was styled by Simone Harouche.

Megan Fox wore J Brand jeans with a Thomas Wylde shirt & scarf.  The jacket was PRPS.  Megan wore Loree Rodkin's gothinc point ring with 15 carats of multi-colored diamonds and center moonstone.  Megan was styled by Deb Waknin.

Presenter Lily Collins wore a S/S 09 one-shouldered blue cocktail dress, nude leather heels and a gold paillette clutch - all from Versace.

Some of the boys!

The Jonas Brothers ...

Nick is wearing a Givenchy jacket, Paul Smith shirt, Lova jeans, Esquvel shoes and a Nagual wallet chain.

Kevin is wearing a YSL scarf, Phillip Lim shirt, Martin Margiela pants and Jack Purcell Converse shoes.

Joe is wearing an LNA t-shirt, Ever leather jacket, April 77 jeans and YSL sneakers.

They were styled by Michelle Tomaszewski.

Chris Pine wore a gray pinstriped peak lapel button-down vest from John Varvatos.

Mandy Moore wore a Miu Miu dress with Christian Louboutin heels.  She carried a clutch from Anya Hindmarch.  Her necklace was vintage.  Mandy was styled by MAUDE (Emily Current & Merritt Elliott).

Marisa Tomei wore a Kai Kuhne dress with Alexander McQueen shoes.  Her ring was H. Stern, and earrings were vintage from her own collection.

Jewel wore a Stella McCartney dress, styled by Jessica Paster.

Debra Messing was in an Alice + Olivia jumper with Louboutins.  Her clutch was Jimmy Choo's "Sandra".

Brooke Shields wore Victoria Beckham's "Orthez" dress in black.  The belt is Brooke's own, as is her jewelry.  Shoes are Louboutins.  Brooke was styled by Amanda Ross.

Debi Mazar was also wearing Victoria Beckham - the "Lombez" dress in cobalt.

Angie Harmon wore a Givenchy top with pants from The Row.  Her shoes are Louboutin and she carreid a clutch from Bally.  Angie pulled from her personal wardrobe, and did not use a stylist for this event.

Leven Rambin wore a BCBG Max Azria dress with Urban Outfitters tights, Louboutin shoes and carried a Foley + Corinna bag.  She was styled by Marcus Molanari.