A plunging neckline-wearing Jennifer Aniston, Elizabeth Olsen, Amber Heard, and Reese Witherspoon step out for Elle's salute to women; Kristin Cavallari celebrates her new gig with Chinese Laundry at The Redbury; Julie Bowen and Jason Alexander attend a cabaret to raise funds for breast cancer research; Lauren Santo Domingo, Selma Blair, and a bunch of other chic people gather in Bel Air to party with Derek Blasberg—special things happened all over town yesterday so get all the details in this edition of Last Night's Parties.

-

-

-

-

[Reese Witherspoon, Jennifer Aniston photo via]

Nicky Hilton Lauren Santo Domingo Kristin Cavallari Reese Witherspoon Derek Blasberg Calvin Klein Rachel Zoe donna karan Erika Christensen Francisco Costa Balthazar Getty Jennifer Aniston Jonathan Saunders David Yurman Freida Pinto Bryan Batt Nicole Richie Jenna Dewan Joe Zee Viola Davis Lyle Maltz Virginia Madsen Selma Blair Michelle Pfeiffer Naomi Watts Tara Subkoff Amber Heard katherine heigl Amber Valletta Dana Lorenz Rachel Antonoff Stephen Dorff Linda Evangelista Kevin O'Malley Katie Finneran The Four Seasons Jason Alexander Wolfgang Puck Robin Wright Penn Chelsea Handler Alia Shawkat Julie Bowen Ian Somerhalder Carlos Lopez Camila Alves Melissa Coker Gillian Jacobs David E. Kelley Joel McHale Adam Shankman Ellie Kemper Lisa Eisner Magda Berliner The Avalon The Redbury Atmosphere Chloe MOretz Rosetta Getty Shiva Rose Laura Dern Katherine Power Elizabeth Olsen Louise Rowe Sybil Yurman Jayma Mays Alice Eve Busy Philipps Spencer Falls Sarah Carroll Cobie Smulders Gelila Puck Octavia Spencer Hedi Gores Peter Pilotto Anita Thompson Alyssa Campanella Bryan Ferry Samantha Traina Stacey Snider Darren Star Melora Hardin Hotel Bel-Air ELLE's 18th Annual Women in Hollywood Tribute - Red Carpet Four Seasons Hotel Los Angeles at Beverly Hills Anne Fletcher John Hawkes Josh Kelley Chinese Laundry Celebrates Kristin Cavallari As Their Web Ambassador Janelle Ortiz Colin Owen. LES GIRLS 11 Celebrity Cabaret Adrienne Frantz Barrett Foa Gina Torres Laura Bell Bundy Sarah Chalke Scott Bailey Sharon Lawrence Steven Weber Tommy Chong. Moda Operandi Hosts Party to Celebrate Derek Blasberg's Very Classy