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Dawn Porter, Chris O'Dowd

LONDON, UNITED KINGDOM - OCTOBER 15: Dawn Porter and Chris O'Dowd attend the Premiere of 'The Sapphires' during the 56th BFI London Film Festival at Odeon West End on October 15, 2012 in London, England. (Photo by Stuart Wilson/Getty Images)

2012 Celebrity Weddings

From Jessica Biel and Justin Timberlake to Blake Lively and Ryan Reynolds, check out the many stars who tied the knot this year.