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Rosie O'Donnell, Michelle Rounds

NEW YORK, NY - OCTOBER 15: Actress/Comedian Rosie O'Donnell and (R) Michelle Rounds attend the 2012 Building Dreams For Kids Gala at The New York Marriott Marquis on October 15, 2012 in New York City. (Photo by Desiree Navarro/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.