Muhammad Ali's Celebrity Fight Night XX - Inside
In This Photo: Michael Buble
Honoree and Singer Michael Buble performs onstage during Muhammad Ali's Celebrity Fight Night XX held at the JW Marriott Desert Ridge Resort & Spa on April 12, 2014 in Phoenix, Arizona.
(April 11, 2014 - Source: Charley Gallay/Getty Images North America) more pics from this album »