Amy Adams wore a dress from Roland Mouret to the special screening in LA with Brian Atwood shoes.  Diamond bracelets and drop earrings were from Tiffany & Co.  She carried a clutch from VBH.  She is styled by Cristina Ehrlich.

Ashley Greene wore a dress from Brian Reyes with Jimmy Choo's "Verity" platforms and carried a "Cloud" clutch.  She is styled by Ilaria Urbinati.

Mary Lynn Rajskub wore a dress from Black Halo with Stuart Weitzman shoes.  Her jewelry was from Hellmuth yellow gold and diamond hoop earrings and bangles.

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.

Taylor Momsen wore a blouse from Rag & Bone and a jacket from Mikhael Kale.

Jessica Lowndes wore a Betsey Johnson dress with Bebe shoes and a Lia Sophia dress.

Shenae Grimes wore a Jack & Gill dress with Aldo shoes.  She does not work with a stylist.

Jessica Stroup wore a Brian Reyes dress with D&G shoes. She carried a Sergio Rossi bag and wore Neil Lane jewels.  She is styled by Lia Davis.

Leighton Meester wore a dark brown Jil Sander jacket and shorts with Brian Atwood shoes and Bvlgari shoes.  She is styled by Logan Horne.

Blake Lively wore an ADAM jumper with Christian Louboutin shoes.  She does not work with a stylist.

Katie Cassidy wore a top from L'Agence paired with a black leather vest from Anzevino and Florence.  Her harem pants were from American Apparel and belt from Emily Noelle.  Shoes are Camilla Skovgaard.  She is styled by Moses Moreno.

Nina Dobrev wore a summery BCBG dress.

AnnaLynne McCord wore a sexy D&G LBD.  She does not work with a stylist.

Ashlee Simpson wore a DSquared2 top & skirt with a Lanvin necklace and Lanvin shoes.

Later in the evening, Ashlee wore a vintage Chanel dress with John Galliano heels and Loree Rodkin jewelry to the private party.

Jessica Stroup changed into another Brian Reyes dress, a racer-back dress for the evening party.

Blake Lively changed into a Ralph Lauren Collection ensemble.

Jessica Stroup (right, pictured with Shenae Grimes) wore an adorable black mirage stripe shift dress from Brain Reyes.

Jessica Lowndes wore a fun party frock from Betsey Johnson with BCBG shoes & earrings.

We usually focus on the girls, but c'mon he was the man of the night (year?) and just as stylish as any of the ladies in a Balenciaga suit, shirt and tie.  Shoes are Ferragamo.  Watch is a vintage 1950s Rolex.  He is styled by Jenny Ricker.

Michelle Trachtenberg wore a Marchesa gown with Jimmy Choo shoes.  Her clutch was Louboutin.  Jewelry was from Fred Leighton. ... For the afterparty she wore a Dolce & Gabbana dress with Louboutin shoes and clutch with Fred Leighton jewels.  She was styled by Annabell Tollman for both events.

Vanessa Hudgens wore a Zac Posen dress with a Linea Pelle belt.  Shoes were Camilla Skovgaard's Ankle Buckle High Heel sandals.

Brittany Snow wore an Erin Fetherston ruched chiffon mini from S/S 09 to the premiere in LA.  She paired it with Jimmy Choo's "Seattle" sandal and Swarovski's "Dolce" gold-plated crystal drop earrings.  Brittany was styled by Nicole Chavez.

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Ginnifer wore a YSL dress & shoes with Wolford tights.  Earrings and cuff were from Roxanne Assoulin for Brian Reyes.  Ginny was styled by Penny Lovell.

Tina Fey is in a Brian Reyes dress, with Michael Kors shoes, a VBH clutch and jewels from Judith Ripka.  Styled by Anna Bingaman.