Celebrities can't help stepping out in the same outfits as eachother - but who looked the best? Feat Britney Spears, Dakota Fanning, Florence Welch, Kerry Washington, Janet Jackson, Olga Kurylenko, Kylie Minogue, Miley Cyrus, Salma Hayek, Jessica Ennis.
We look back at some of Tinseltown's most unexpected romantic pairings. Can you guess who might have dated whom? Kim Kardashian, Nick Cannon, Lenny Kravitz, Kylie Minogue, Sean Penn, Jewel, Drew Barrymore, David Arquette, Rashida Jones, Mark Ronson.