Kristen Bell wore:

Dress:  Tibi

Shoes:  Christian Louboutin

She was styled by Nicole Chavez.

Kristen Bell wore:

Dress:  BCBG

Shoes:  Jimmy Choo, "Prosper" sandal

Clutch:  Celestina

Ring:  Neil Lane

She was styled by Nicole Chavez.

For the press look, she wore a dress from Rebecca Taylor.

Kristen Bell wore:

Dress:  Marchesa embroidered juniper strapless draped chiffon cocktail dress

Shoes: Christian Louboutin

Jewelry:  Bvlgari

She was styled by Nicole Chavez.

Kristen Bell wore:

Dress:  Preen

Shoes:  Jimmy Choo

She was styled by Nicole Chavez.

Kristen Bell wore a jumpsuit from TopShop to the ceremony with a pair of Jimmy Choos.  She carried a clutch from Bally.  Her colored rhinestone necklace was from Vera Wang.  Gold & diamond necklaces and gold & diamond rings were from Jennifer Meyer Jewelry.  She was styled by Nicole Chavez.

Kristen Bell wore a dress from Herve Leger with Jimmy  Choos.  Her necklace is from CC Skye.  She is styled by Nicole Chavez.

Rachel Bilson wore a double breasted peak lapel blazer with harem shorts in rose gold lame with a black silk henley ruffle top from Philip Lim.  She carried a clutch from Longchamp.  Jewelry was Yvel pink sapphire & diamond ring and rose gold and diamond flower earrings from Le Vian.  She is styled by Nicole Chavez.

Kristen Bell wore Philip Lim's navy sleevless asymmetrial draped trompe-l'oeil top with a graphite leather mini skirt.  Jewelry was Bochic diamond bangles and a Le Vian chocolate diamond hoop earrings.  She is styled by Nicole Chavez.

Jewel wore a dress from Etro with sandals from Aldo.  She was styled by Jessica Paster.

Eve wore a black silk hand-embroidered dress with bronze thread from Philip Lim with Jimmy Choo "Game" metallic sandals.  Her ring was from Jack Vartanian.  She was styled by Jessica Paster.

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Kristen Bell wore a dress from 3.1 Philip Lim paired with Jimmy Choo "Katy" platforms .  She carried a clutch from Topshop.  Earrings were from Amrapali and chocolate diamond ring was from LeVian.

She was styled by Nicole Chavez.

Olivia Wilde wore a dress from J. Mendel with Jimmy Choo "Lottie" sandals.  She carried a Sergio Rossi clutch.  Her earrings were from Sara Weinstock and ring & bangles were from Arman.

She was styled by Kemal & Karla.

Ashley Greene wore a dress from BCBG Max Azria with a Sergio Rossi clutch & shoes.  Her jewelry was from Loree Rodkin.

She was styled by Ilaria Urbinati.

Amber Heard wore a top and skirt from Alexander Wang, with a belt from 3.1 Philip Lim.  Her shoes were from Chloe.  She carried a clutch from Stella McCartney.

She was styled by Johnny Wujeck.

Amanda Bynes wore a dress from Pencey with Louboutins.  Her clutch was from Tory Burch and necklace from Roberto Coin.  She did not work with a stylist.

Leona Lewis wore a woll cocktail dress with silk georgette sleevs from Elie Saab.  She did not work with a stylist for this event.

Kristen Bell wore a dress from Bally with Jimmy Choos to the SciFi awards show in LA. She carried a metallic compact clutch from Sergio Rossi.  Her diamond ring was from LeVian. She was styled by Nicole Chavez.

Kristen wore a lace dress from Brian Reyes with platforms from Brian Atwood.  Striped clutch was from Bally.  Necklaces were a gold and pearl collar necklace from House of Lavande, and brown pearl & champagne diamond necklace from Yvel.  She was styled by Nicole Chavez.

Kate Walsh combined bright jewel tones with a Stella McCartney top & skirt.  Shoes were from Casadei and she carried a Sergio Rossi clutch.  The platinum and diamond fringe necklace, earrings and ring are from Neil Lane.  She was styled by Lia Davis.

Heather Graham wore a red Dolce & Gabbana bustier dress with Jimmy Choo "Flynn" sandals.  She carried a Jimmy Choo "Conny" bag (not pictured).

Eva Mendes wore a casual summer dress from eco-friendly, LA-based line Daughters of the Revolution, and carried her own vintage clutch.

Ashley Olsen wore a slip dress from her own line, The Row.

Jenny McCarthy wore AG Adriano Goldschmied ex-boyfriend jeans with pink Louboutin pumps.

Audrina Patridge wore a Diane von Furstenberg dress with an Alexander McQueen belt and clutch.  She wore YSL heels.  She was styled by Joey Tierney.

Bradley Cooper wore a grey striped wool & mohair suit and vest, white cotton shirt and black shoes from Yves Saint Laurent to the premiere.

Briana Evigan wore a Riller & Fount black "Kirby" long-sleeve scoop neck crop over an Enza Costa tank top, with J Brand "The Deal" zippered skinny jeans.

Sandra Bullock (pictured with "The Proposal" co-star Ryan Reynolds) wore an amazing Abaete dress with Azzedine Alaia shoes on the red carpet. Her jewelry was from Gurhan.  She was styled by Deb Waknin.

Kristen Bell wore a Sally Tseng bustier with a Nuj Novakhett skirt for a complete mini look.  Her necklace was from Azzaro, as was her clutch (not pictured).  Bracelet was House of Lavande.  She wore Jimmy Choo's "Blaze" sandals.  She was styled by Nicole Chavez.

Leighton Meester rocked a risky mesh mini from Emilio de la Morena.  She paired it with Brian Atwood "Brie" purple suede booties from FW09 and a platinum & diamond cuff and rings from Cathy Waterman. She  carried a Marc Jacobs bag (not pictured).  She was styled by Logan Horne.

Vanessa Hudgens wore a tangerine dress from BCBG Max Azria.  Shoes were Jimmy Choo's "Riv" platform sandals.  Necklace is from H. Stern's "Icon" collaboration collection with Diane von Furstenberg.  She is styled by Deb Waknin.

Ashley Tidsale wore a sexy purple leather Elise Overland dress paired with the "Gypsi" sandal from Paul & Joe Sister.  Jewelry was from Loree Rodkin.  She was styled by Simone Harouche.

Hayden Panettiere wore another adorbale mini, this time from Emanuel Ungaro SS09.  Platform pumps are from Bally, and her jewelry is from Van Cleef and Arpels.  She was styled by Logan Horne.

Sienna Miller wore a green sequin dress from her own collection, Twenty8Twelve.  Shoes were Nicholas Kirkwood.

Megan Fox wore a black and gold brocade cocktail dress from Dolce & Gabbana.  Megan is styled by Deb Waknin.

Miley Cyrus wore a nude silk cowl neck halter dress from Moschino Cheap & Chic from the SS09 collection.  Shoes are Louboutins.  Jewelry was Loree Rodkin and Beamon for Elizabeth and James.  She was styled by Tara Swennen.

Malin Akerman did a 360 from last night's Spike Awards red hot dress and with a cool Dolce & Gabbana with a white suit, powder blue bustier, and gold strappy sandals from the house.

Taraji Henson wore a black and white strapless mini dress from Roberto Cavalli SS09.  Her shoes were from Bally and clutch Stuart Weitzman.  Her ring was from Lucifer vir Honestus.  She did not work with a stylist for this event.

Kristen Stewart stayed comfy on the carpet with classic Converse!  She paired them with a Yigal Azrouel dress.  She was styled by Tara Swennen.

Anna Faris wore a slightly iridescent black Katy Rodriguez frock, and mixed up the colors with purple Brian Atwood shoes and an emerald green Jimmy Choo clutch.  She was styled by Annie Jagger.

Sofia Vassilieva (pictured with "My Sister's Keeper" co-star Cameron Diaz) wore a dress from Magda Berliner.  Shoes and handbag were from Brian Atwood.  Accessories were a combination of vintage and Forever 21.  She was styled by George Kotsiopoulos.

Can't find any solo shots of Cameron as she was photographed with her co-stars, but she was wearing a colorful Matthew Williamson top paired with J Brand jeans.  Her clutch was from Ferragamo and those shocking blue boots boots were from Guiseppe Zanotti.  Her jewelry was from Ippolita.  She was styled by Rachel Zoe.

Audrina Patridge wore a sequin one-shouldered Joey Tierney Couture dress.  Stylist Joey made the dress with Audrina in mind ... and paired it with Louboutin peep toe nude heels and an Alexander McQueen clutch.  Jewelry was Jane d'Arensbourg stackable rings, a Becca Straus quartz ring, Meredith Khan quartz earrings and bangles from Melissa McClure.

Lauren Conrad wore a Moschino navy and red floral print dress from the FW09 collection.  Shoes were Louboutins.  She was styled by Tara Swennen.

Stephanie Pratt wore a black Ina Soltani dress with python belt from the Fall 09 collection.

Ashley Greene wore a black & white floral print cocktail dress from Dolce & Gabbana with Loree Rodkin jewels.

Darling Abigail Breslin wore a cute combo of Juicy leggins, a D&G tee with a Diesel scarf.  Heels were also Juicy.  Bangles were from Vita and an additional bracelet was CC Skye.  Her ring was from Lia Sophia.  She was styled by Tara Swennen.

LeAnn Rimes wore a very formal, black J. Mendel gown.

Keke Palmer also wore Elise Overland.  Jewelry was from Loree Rodkin.

Keisha Whitaker wore a dress from Herve Leger with Manolo Blahnik shoes.  She carried a Laura Merkin bag and wore jewelry from The Cohen Sisters.  She did not work with a stylist for this event.

Rumer Willis wore a Pucci dress and clutch, and wore shoes from Fendi.  She is styled by Lisa Michelle Boyd.

Lo Bosworth wore a dress from Voom by Joy Han with Louboutin shoes.  Bracelet was from Vita.  She carried a Gucci clutch (not pictured).  Makeup look was by Jake Bailey for Max Factor.

Jenna Dewan wore a Rami Kashou dress with Stuart Weitzman shoes.  She carried a Loree Rodkin clutch.  Jewelry was from Neil Lane.  She was styled by Jessica Paster.

Whitey Port wore a dress from Risto Bimbiloski.  Her jacket and belt were from her own line, Whitney Eve.  Shoes were Manolo Blahnik. She carried a Diane von Furstenberg clutch.

Host Andy Samberg wore a charcoal suit, white dress shirt and slim tie from John Varvatos.

During the show, he wore a black convertible collar jacket with piping from John Varvatos, a black Star USA polo and charcoal Star USA jeans.

Zac Efron wore a white dress shirt from Dior Homme, grey jacket from Neil Barret and tie from Costume National.  Jeans were from April 77 and belt from Diesel.  Vintage shoes are his own.  He was styled by Jenny Ricker.

Channing Tatum wore a John Varvatos military style jacket and black leather boots.

Shia LaBeouf wore a Prada shirt, tie and denim jeans.  He was styled by Wendi + Nicole.

Kellan Lutz wore Levi Capital E "Herser" jeans with a Diesel belt.  Black v-neck tee is from LNA with a vintage button down shirt.  Boots were from Aldo and he sunglasses were from Rayban.  Necklace and cap are his own.  He was styled by Melis Kuris.

Jim Carrey wore an olive suede button down jacket with black courduroy pants and a black dres shirt by John Varvatos.

Kristen Bell attended the premiere of her new film, Fanboys last night in Hollywood ...

... wearing a black motorcycle jacket, grey tank and mini by Jenni Kayne.  She carried a clutch from KOTUR.  Earrings and bracelet were from Amrapali, ring from Bochic.  Kristen is styled by Nicole Chavez.

(Stormtroopers styled by George Lucas.)