A performance fit for a Prince! Did you know these stars have been wedding singers?

The vows have been said, the champagne has been popped and the speeches are done, now it's time to party! When you're a celebrity celebrating your wedding day then a DJ or a run-of-the-mill band just won't cut it when it comes to music. Instead, the happy couple and their guests will be dancing to songs performed by an actual pop star! From Justin Timberlake to Stevie Nicks, these are the most famous wedding singers ever...