Clash or Splash?

In Hollywood, your date can be your hottest accessory or your biggest fashion faux pas. From Tea Leoni and David Duchovny to Kate Hudson and Chris Robinson, see which star couples look great together and which are just an eyesore.

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"Becks" and "Posh" (David and Victoria Beckham, the soccer star and former Spice Girl, that is) look very Vegas in their matching white outfits and sparkling diamonds at the MTV Movie Awards in L.A. in May. "They're our showbiz royalty," Sean Hoare of Britain's News and World told PEOPLE in June.