Jennifer Lopez

dress: Zuhair Murad Haute Couture

clutch: Judith Leiber

shoes: Sergio Rossi

jewelry: Stephen Russell and Cartier

Sarah Jessica Parker

dress: Halston Heritage

jewelry: Fred Leighton

Anne Hathaway

dress: Valentino

clutch: Ferragamo

jewelry: Bulgari

Mila Kunis

dress: Vera Wang

jewelry: Fred Leighton

Zoe Saldana

dress: Calvin Klein

jewelry: Neil Lane

Renee Zellweger

dress: Carolina Herrera

jewelry: Fred Leighton

Diane Kruger

dress: Calvin Klein

jewelry: Fred Leighton

Emma Watson

dress: Burberry

shoes: Burberry

Marion Cotillard

dress: Dior Haute Couture

shoes: Dior

clutch: Dior

Kate Hudson

dress: Stella McCartney

shoes: Casadei

jewelry: Fred Leighton

Naomi Watts

dress: Stella McCartney

jewelry: Fred Leighton

Nicole Richie

dress: Marc Jacobs Fall 2010

clutch: Marc Jacobs

jewelry: Harry Winston

Rachel Weisz

dress: Oscar de la Renta

shoes: Jimmy Choo

clutch: Roger Vivier

jewelry: Fred Leighton

Jessica Alba

dress: Sophie Theallet for Gap

clutch: Ferragamo

jewelry: House of Lavande

Leighton Meester

dress: Marc Jacobs

Blake Lively

dress: Marchesa

jewelry: Lorraine Schwartz

Jessica Szohr

dress: Atelier Versace

Tina Fey

jumpsuit: Yves Saint Laurent

shoes: Sergio Rossi

jewelry: Fred Leighton

Kirsten Dunst

dress: Rodarte for Gap

shoes: Nicholas Kirkwood for Rodarte

Kerry Washington

dress: Thakoon for Gap

jewelry: Tasaki by Thakoon

Sienna Miller

dress: Emillo Pucci

shoes: Emillo Pucci

jewelry: Solange Azagury-Partridge

Elizabeth Banks

dress: Gucci

tights: Gucci

shoes: Gucci

Iman

dress: Prada

Jessica Biel

dress: Ralph Lauren

shoes: Ralph Lauren

clutch: Ralph Lauren

jewelry: Fred Leighton

Kristen Bell

dress: Diane von Furstenberg

clutch: Diane von Furstenberg

jewelry: H. Stern

Rachel Bilson

dress: Louis Vuitton

Taylor Swift

dress: Ralph Lauren

clutch: Ralph Lauren

jewelry: Fred Leighton

Alexa Chung

dress: 3.1 Phillip Lim

Kristen Stewart

dress: Chanel Haute Couture

shoes: Sergio Rossi

jewelry: Chanel

Kristen Davis

dress: Rochas for Decades

January Jones

dress: Yves Saint Laurent

Demi Moore

dress: Lanvin

clutch: Lanvin

jewelry: Lanvin

Maggie Gyllenhaal

dress: Louis Vuitton

Oprah

dress: Oscar de la Renta

shoes: Jimmy Choo

Gisele Bunchen

dress: Alexander Wang

Eva Mendes

dress: Dolce & Gabbana

shoes: Brian Atwood

jewelry: Verdura

Camilla Belle

dress: Jason Wu

Thandie Newton

dress: Vivienne Westwood

Gwen Stefani

dress: L.A.M.B.

clutch: VBH

jewelry: Lorraine Schwartz

Joy Bryant

dress: Marchesa

jewelry: Harry Winston

Maggie Grace

dress: Vera Wang

Eva Longoria Parker

dress: Marchesa

clutch: Marchesa

jewelry: Harry Winston

Malin Akerman

dress: Temperley London

Emma Roberts

dress: Marni

Janet Jackson

dress: Lanvin

Claire Danes

dress: Burberry

jewelry: Fred Leighton

Mariska Hargitay

dress: Vera Wang

Abbie Cornish

dress: Louis Vuitton

Vera Farmiga

dress: Sophie Theallet for Gap

Ivanka Trump

dress: Versace

Brooke Shields

dress: Michael Kors

Melissa George

dress: J. Mendel

Liv Tyler

dress: Stella McCartney

shoes: Roger Vivier

jewelry: Fred Leighton

Carey Mulligan

dress: Miu Miu

shoes: Prada

jewelry: Martin Katz

Mary J. Blige

dress: J. Mendel

clutch: VBH

Kate Bosworth

dress: Valentino

jewelry: Van Cleef & Arpels

Chloe Sevigny

dress: Proenza Schouler

jewelry: Fred Leighton

Christina Hendricks

dress: L’Wren Scott

Rosario Dawson

dress: Giambattista Valli

jewelry: Fred Leighton

Katy Perry

dress: CuteCircuit

jewelry: Lorraine Schwartz

Julianna Marguiles

dress: Narciso Rodriguez