Reba McEntire will host Celebrity Fight Night XV, a tribute to Muhammad Ali, on March 28 in Phoenix. Jon Bon Jovi will headline the event and American Idol winner Jordin Sparks will perform at the after party. Additional honorees include Arizona Cardinals quarterback Kurt Warner, Olympic gold medalist Michael Phelps and actor Forest Whitaker. Tickets are $1,500 to $5,000. The gala event raises money for the Muhammad Ali Parkinson Center at Barrow Neurological Institute in Phoenix.