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Cat Deeley, Patrick Kielty

HOLLYWOOD, CA - JUNE 08: Cat Deeley and Patrick Kielty arrive at the 'Rock of Ages' Los Angeles premiere at Grauman's Chinese Theatre on June 8, 2012 in Hollywood, California. (Photo by Gregg DeGuire/WireImage)

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.