Brad Pitt & Angelina Jolie in Jenny Packham | Emma Stone in Alexander McQueen

Amber Heard in Zac Posen | Berenice Bejo in Ralph Lauren

Rose Byrne in Elie Saab | Viola Davis in Marchesa

Tilda Swinton in Lanvin | Jayma Mays in Reem Acra

Kyra Sedgwick in Pucci & Kevin Bacon | Sofia Vergara in Marchesa

Jessica Chastain in Calvin Klein | Diane Lane in David Meister

Busy Phillipps in Simone by Katie Nehra | Jane Lynch in David Meister

Shailene Woodley in L’Wren Scott | Emily Blunt in Oscar de la Renta

Dianna Agron in Carolina Herrera | Julie Bowen in Temperley Bowen

Michelle Williams in Valentino | Meryl Streep in Vivienne Westwood

Glenn Close in Zac Posen | Jessica Lange

Octavia Spencer in Tadashi Shoji | Judy Greer in Colette Dinnigan

Jean Dujardin | Jonah Hill

Tina Fey in Versace | Sarah Hyland in Temperley  London

Ariel Winters in Colette Dinnigan  | Ashlee Simpson in Jenny Packham

Regina King in in Alberta Ferretti | Christopher Plummer

Alan Cumming | Melissa McCarthy in Badgley Mischka

Mayim Bialik in David Peck | Zoe Saldana in Givenchy

Kaley Cuoco in Romona Keveza | Katrina Bowden

Kristen Wiig in Balenciaga | Lea Michele in Versace

Julianna Margulies in Calvin Klein | Maya Rudolph in Naeem Khan

Jane Krakowski in Antonio Berardi | Natalie Portman in Giambattista Valli Couture

George Clooney | Armie Hammer

on blair:

jacket: Diane Von Furstenberg

dress: Carolina Herrera

shoes: Stuart Weitzman

on beatrice:

dress: Nanette Lepore

bag: Bulgari

sweater: Marc by Marc Jacobs

skirt: Haute Hippie

bag: Valentino

boots: Rachel Roy

shoes: Alexandre Birman

earrings: RichRocks

dress: Vera Wang

dress: Lorena Sarbu

tights: Falke

necklaces: Sequin and Belargo

cape: Gryphon

skirt: Alice & Olivia

shoes: Miu Miu

dress: Alice + Olivia

dress: Naeem Khan

blazer: McQ by Alexander McQueen

Angeline Jolie in Atelier Versace and Lorraine Schwartz jewels & Brad Pitt in a three-piece Ferragamo tux

Charlize Theron in a Dior Couture gown and Cartier headband and jewels

Sofia Vergara in a Vera Wang gown and Harry Winston jewels

Julianne Moore in a Chanel gown and Fred Leighton jewelry

Evan Rachel Wood in a Gucci gown and Fred Leighton jewels

Zooey Deschanel in head to toe Prada

Mila Kunis in a Christian Dior gown and Cartier jewelry

Claire Danes in J. Mendel

Tina Fey in Oscar de la Renta

Viola Davis in a Emillio Pucci gown and Fred Leighton jewelry

Meryl Streep in an Alessandra Rich gown, Ferragamo shoes, Ferragamo minaudière, and Fred Leighton jewels

Glenn Close

Shailene Woodley in Marchesa

Julie Bowen in Reem Acra

Jessica Biel in Elie Saab

Mary J. Blige in Michael Kors

Kate Beckinsale in a Roberto Cavalli gown, Ferragamo minaudière, and Lorraine Schwartz jewelry

Elle Macpherson in a Zac Posen gown and Lorraine Schwartz jewelry

Jessica Alba in a Gucci gown and Bulgari jewelry

Andie MacDowell in a Meister gown, Swarovski bag, and Chopard jewels

Sarah Hyland in Dolce & Gabbana

Kristen Wiig

Busy Philipps

Kate Winslet in a Jenny Pack gown and Roger Vivier shoes

Jane Lynch in David Meister

Madonna in Reem Acra

Amber Riley

Natalie Portman in a Lanvin gown and Harry Winston jewelry

Mireille Enos in a Naeem Khan gown, Alexandre Birman shoes, Ferragamo clutch, and Neil Lane jewelry

Kelly Osbourne in Zac Posen

Debra Messing in Monique Lhuillier

Kelly Macdonald in Lorena Sarbu

Jessica Chastain in a Givenchy gown and Harry Winston jewelry

Nicole Richie in a Julien MacDonald gown, Jimmy Choo heels, and House of Harlow clutch

Sarah Paulson in Pamella Roland

Amanda Peet in Marc Jacobs

Ariel Winter in Dolce & Gabbana

Julianna Margulies in Naeem Khan

Jodie Foster in a Giorgio Armani gown and Ferragamo minaudière

Laura Linney

Heidi Klum in Calvin Klein

Nicole Kidman in a Versace gown, Manolo Blahnik heels, Roger Vivier clutch, and Fred Leighton jewels

Diane Lane in Reem Acra

Amy Poehler in a Naem Khan gown and Van Cleef & Apels jewelry

Helen Mirren in a Badgley Mischka gown and clutch and Fred Leighton jewels

Tilda Swinton in Fred Leighton jewels

Diane Agron in a Giles Deacon gown and Fred Leighton jewelry

Reese Witherspoon in Zac Posen

Maya Rudolph in David Meister

Rooney Mara in a Nina Ricci gown and Fred Leighton jewelry

Laura Dern in Andrew Gn

Emily Deschanel in a BCBG Max Azria gown and Bulgari jewels

Freida Pinto in a Prada gown and Chopard jewelry

Emma Stone in a Lanvin gown and Cartier jewels

Melissa McCarthy in head to toe Badgley Mischka

Michelle Williams in a Jason Wu gown, Judith Leiber clutch, and Fred Leighton headband and jewelry

Sarah Michelle Gellar in a Monique Lhuillier gown, Jimmy Choo heels, and Bulgari jewelry

Berenice Bejo in Chopard jewels

Piper Perabo

Octavia Spencer in a Tadashi Shoji gown, Christian Louboutin heels, Judith Leiber clutch, and Irene Neuwirth jewels

Salma Hayek in Gucci

Lea Michele in Marchesa

Katharine McPhee in Donna Karan

Michael Fassbender

Joseph Goden Levitt

Clive Owen

Jean Dujardin

Gerard Butler in head to toe Ferragamo

Ewan McGregor

Jonah Hill

Jake Gyllenhaal in head to toe Ferragamo

Owen Wilson

George Clooney in Giorgio Armani

Seth Rogen

Matt LeBlanc

Leonardo DiCaprio

Mark Wahlberg

Michelle Williams in Chanel | Evan Rachel Wood in Valentino

Charlize Theron in Azzedine Alaïa Fall 2011 | Kirsten Dunst in Christian Dior

Emma Stone in Jason Wu | Elle Fanning in Rodarte Spring 2012

Diane Kruger in Prada | Elizabeth Olsen in Pucci

Ahna O’Reilly in Honor | Shailene Woodley in Calvin Klein

Berenice Bejo in Elie Saab Spring 2012 | Melissa McCarthy in David Meister Spring 2012

Stacy Keibler in Giorgio Armani & George Clooney | Chloe Moretz in Chanel

Jessica Chastain in Balenciaga | Busy Phillipps

Viola Davis in Raoul | Octavia Spencer  in Tadashi Shohi Spring 2012

Mindy Kaling | Ellie Kemper in Alberta Ferretti

Tilda Swinton in YSL | Maya Rudolph

Emma Stone in Gucci Spring 2012 | Jennifer Lawrence in Viktor & Rolf Spring 2012

Cobie Smulders in a Reem Acra Spring 2012 dress and Jimmy Choo shoes | Alyson Hannigan in Alice + Olivia

Ginnifer Goodwin in a Roksanda Ilincic dress, Jimmy Choo boots, Kzeniya clutch, and Van Cleef and Arpels jewelry | Kristen Bell in Valentino Spring 2012 dress and Christian Louboutin pumps

Nina Dobrev in Elie Saab Spring 2012 | Chloe Moretz in Proenza Schouler Pre-Fall 2010

Kaley Cuoco in Badgley Mischka Spring 2012 | Shay Mitchell

Ashley Benson | Lucy Hale in Cengiz Abazoglu

Demi Lovato in Marchesa Resort 2012 | Kelly Osbourne in Honor

Julianne Hough | Ashley Greene in DKNY

Lea Michele in Marchesa Spring 2012 dress and Jimmy Choo sandals | Miley Cyrus in David Koma Spring 2012

Jennifer Morrison in Oscar de la Renta Spring 2012 | Vanessa Hudgens in Jenny Packham Fall 2011

 Ellie Kemper | Elisha Cuthbert 

Busy Philipps in Carven | Kat Dennings in Lorena Sarbu

Beth Behrs | Angela Kinsey

Tim DeKay & Matt Bomer | Neil Patrick Harris & David Burtka

Ian Somerhalder| Paul Wesley

 Zachary Levi | Jason Biggs

Lea Michele attended the Fox All-Star Viewing Party wearing a blue Peter Som Spring 2012 dress. The Glee actress used the sexy thigh-high slit to show off her metallic Casadei sandals. Beachy waves completed the look.

Angelina Jolie in head to toe Salvatore Ferragamo

Viola Davis in Sergio Rossi pumps

Jessica Chastain