Ricky Gervais , 63, opened up about having some very famous guests at one of his gigs - but revealed that they let themselves down with one huge faux pas. The comedian has toured major venues across the world , but didn’t divulge the location where A-listers Prince William , Prince Harry , Madonna , and Paul McCartney decided to pop in for a show. Despite the massive bank accounts of the group, Ricky shared that they decided to skimp out on the performance. “Once at a gig, at the back was Harry