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"The Croods" New York Premiere

NEW YORK, NY - MARCH 10: Actress Emma Stone attends "The Croods" premiere at AMC Loews Lincoln Square 13 theater on March 10, 2013 in New York City. (Photo by Neilson Barnard/Getty Images)

Celebrities Who've Officiated Weddings

Yahoo Celebrity

Check out some of the stars, such as The Rock, Emma Stone, and Tori Spelling, who have helped couples tie the knot.