Ian McKellen made headlines over the weekend when he officiated the wedding of pal Patrick Stewart and girlfriend Sunny Ozell. While we have no doubt that Ian made a fine officiant, he isn't the only star who has gotten ordained for a pal. Many stars have played the important role of wedding officiant, including Emma Stone, Jason Segel, and Victor Garber, who presided over Jennifer Garner and Ben Affleck's marriage ceremony. Plenty of other famous faces have helped friends and even strangers tie the knot. Click through to see all the celebrity wedding officiants!