Credit: Getty Images
(FILE PHOTO) In this composite image a comparison has been made between Amber Heard (L), Tinsley Mortimer (C) and Kate Beckinsale (R) for a Celebrity Same Dresses feature.
(Left Image) HOLLYWOOD - MARCH 04: Actress Amber Heard arrives at the premiere of Summit Entertainment's "Never Back Down" on March 4, 2008 in Hollywood, California. (Photo by Alberto E. Rodriguez/Getty Images)
(Centre Image) NEW YORK - FEBRUARY 17: Socialite Tinsley Mortimer poses backstage at the Max Azria Fall 2009 fashion show during Mercedes-Benz Fashion Week in the Tent at Bryant Park on February 17, 2009 in New York City. (Photo by Kristian Dowling/Getty Images for IMG)
(Right Image) HOLLYWOOD, CA - FEBRUARY 23: Actress Kate Beckinsale attends the Vanity Fair and Chrysler celebration of The Eva Longoria Foundation hosted by Eva Longoria on Thursday, February 23 at Beso Hollywood. (Photo by John Shearer/Getty Images for VF)