Top DJ Tiesto is to officiate at a fan's upcoming wedding. The Dutch dance music superstar has invited romantic clubbers to compete for nuptials to remember in Las Vegas, where he is currently performing a residency at the MGM Grand resort. The contest details have been posted on Tiesto's Facebook.com page. He writes, "Hey! Which couple wants me to marry them in Las Vegas on August 17th? Are you going to be in Vegas that day? Are you ready for Tiesto to perform your marriage ceremony?!?!? Send your story to firstname.lastname@example.org by August 10th and tell me why I should officiate at your wedding."