Muhammad Ali's Celebrity Fight Night XX - Inside [Getty Images]

PHOENIX, AZ - APRIL 12: Honoree and singer Michael Buble accepts an award onstage with Emcee Reba McEntire during Muhammad Ali's Celebrity Fight Night XX held at the JW Marriott Desert Ridge Resort & Spa on April 12, 2014 in Phoenix, Arizona. (Photo by Michael Buckner/Getty Images for Celebrity Fight Night)

Getty Images Entertainment Michael Buckner