Model Petra Nemcova is seen at the Fall 2013 Herve Leger by Max Azria Runway Show, on Saturday, February 9, 2013 in New York. (Photo by Amy Sussman/Invision/AP)

Lydia Hearst attends the Fall 2013 Monique Lhuillier Runway Show, on Saturday, Feb., 9, 2013 in New York. (Photo by Ben Hider/Invision/AP)

PHOTO: KAMIL PIKLIKIEWICZ/EAST NEWS WARSZAWA 2013-05-21 PAPROCKI & BRZOZOWSKI - JESIEN 2013 NZ/ NATALIA KUKULSKA

Anja Rubik. amfar photocall during the 65th Cannes Film Festival on May 24th 2012 at the Eden Roc hotel.

Actress Halle Berry arrives on the red carpet for the 85th Annual Academy Awards on February 24, 2013 in Hollywood, California. AFP PHOTO/JOE KLAMAR

British socialite and model Tamara Ecclestone poses on May 23, 2013 as she arrives for the amfAR's 20th Annual Cinema Against AIDS during the 66th Annual Cannes Film Festival at Hotel du Cap-Eden-Roc in Cap d'Antibes, southern France. AFP PHOTO / ALBERTO PIZZOLI