Molly Sims and Dottie Sims(01 of23)
Open Image ModalMay 2004 at the screening of "Raising Helen" (Getty photo)
Gisele Bundchen with Vania Nonnenmacher and Valdir Bundchen(02 of23)
Open Image ModalOctober 2004 at the "Taxi" Film Premiere (Getty photo)
Liv Tyler and Bebe Buell(03 of23)
Open Image ModalJune 1996 at the "Stealing Beauty" Film Premiere (Getty photo)
Monique Lhuillier and Amparito Lhuillier(04 of23)
Open Image ModalOctober 2007 at the Monique Lhuillier Salon Opening (Getty photo)
Naomi Campbell (right) and her mom Valerie (left) with designer Gai Mattiolo(05 of23)
Open Image ModalAt his 1996-1997 fall-winter ready-to-wear collection show (AP photo)
Alexander Wang and Ying Wang(06 of23)
Open Image ModalAt the Alexander Wang Fall 2008 show after-party (Getty photo)
Natalia Vodianova and Larisa Vodianova(07 of23)
Open Image ModalFebruary 2008 at the "Love Ball" Charity Gala Dinner (Getty photo)
Jerry Hall, Elizabeth Jagger and Georgia May Jagger(08 of23)
Open Image ModalOn the runway of the Thierry Mugler Fall 1998 Couture show (AP photo), and November 2010 at the Crown Oaks Day (Getty photo)
Michael Kors and Joan Kors(09 of23)
Open Image ModalAt the Michael Kors Spring 2009 show (Getty photo)
Hilary Rhoda and Marianne Rhoda(10 of23)
Open Image ModalFebruary 2009 at the Sports Illustrated Swimsuit Issue Launch (Getty photo)
Charlotte Ronson and Ann Dexter-Jones(11 of23)
Open Image ModalApril 2009 at the launch of "I Heart Ronson" for JCPenney (Getty photo)
Sonia Rykiel and Nathalie Rykiel (12 of23)
Open Image ModalJanuary 2010 at the awarding of the medal of Arts and Letters by the French Culture Ministry (Getty photo)
Donatella Versace and Allegra Versace(13 of23)
Open Image ModalAt the 2005 Met Gala (AP photo)
Erin Wasson and Chris Wasson(14 of23)
Open Image ModalAt the Erin Wasson & RVCA Spring 2009 presentation (Getty photo)
Zac Posen and Susan Posen(15 of23)
Open Image ModalAt the 2008 CFDA Awards (AP photo)
Cindy Crawford and Jenny Moluf(16 of23)
Open Image ModalMarch 1999 at the opening of Chicago's The Whiskey Bar & Grill (AP photo)
Billy Reid and Jeanne Reid(17 of23)
Open Image ModalAt the Billy Reid Spring 2011 presentation (Getty photo)
Donna Karan, Gaby Karan, and Stefania Karan(18 of23)
Open Image ModalAt the 2004 CFDA Awards (AP photo), and June 2005 at a party honoring Madonna's children's book "Lotsa De Casha" (Getty photo)
Margherita Missoni, Angela Missoni and Teresa Missoni(19 of23)
Open Image ModalJune 2010 at the Convivio fashion event in Milan (Getty photo)
Dree Hemingway, Mariel Hemingway, and Langley Hemingway(20 of23)
Open Image ModalMay 2009 at the after-party for the Cinema Society & the Wall Street Journal screening of "Easy Virtue" (Getty photo)
Carine Roitfeld and Julia Restoin Roitfeld(21 of23)
Open Image ModalDecember 2004 at the Metropolitan Museum's "Wild: Fashion Untamed" exhibition preview dinner (Getty photo)
Rebecca Taylor and Patricia Taylor(22 of23)
Open Image ModalAt the Rebecca Taylor Fall 2004 show (Getty photo)
Carolina Herrera with Carolina Jr. and Patricia(23 of23)
Open Image ModalAt the 2004 CFDA Awards (Getty photo)