It's becoming more and more common for the betrothed to ask a friend to officiate a wedding ceremony. And when it's celebs getting hitched, those friends sometimes happen to be famous. But do you know which celebs have said, "You may now kiss the bride," at A-list weddings? Let's start by guessing which funnyman officiated at Matt Damon and wife's Luciana Damon's vow renewal ceremony back in 2013. Think you know? Click through to find out!