Muhammad Ali & Michael Phelps // 15th Annual Celebrity Fight Night Keisha & Forest Whitaker // 15th Annual Celebrity Fight Night

Olympic champion swimmer Michael Phelps was honored to receive the Sports Achievement Award at former champion boxer’s Muhammad Ali‘s Celebrity Fight Night event, where Oscar winner actor Forest Whitaker also received the Celebrity Fight Night Entertainer Award.

The Celebrity Fight Night Foundation is a nonprofit organization founded in 1994 by Jimmy Walker. It supports the Muhammad Ali Parkinson Center at Barrow Neurological Institute in Phoenix, as well as numerous other charities.

This year’s event marked the 15th year, and with a celebrity guest list including Jordin Sparks (who also performed), Kurt Warner, John Elway, Hill Harper and more, organizers say it raised more than 6.6 million dollars! Continue reading for more pics.

Muhammad Ali & Michael Phelps // 15th Annual Celebrity Fight Night Michael Phelps & Muhammad Ali // 15th Annual Celebrity Fight Night

Jordin Sparks // 15th Annual Celebrity Fight Night Michael Phelps // 15th Annual Celebrity Fight Night John Elway // 15th Annual Celebrity Fight Night Vince Young and guest // 15th Annual Celebrity Fight Night

Forest Whitaker & Lonnie Ali // 15th Annual Celebrity Fight Night Lonnie Ali & Michael Phelps // 15th Annual Celebrity Fight Night

Lonnie & Muhammad Ali // 15th Annual Celebrity Fight Night Jordin Sparks // 15th Annual Celebrity Fight Night

Forest & Keisha Whitaker // 15th Annual Celebrity Fight Night

Michael Phels & Kurt Warner // 15th Annual Celebrity Fight Night Hill Harper // 15th Annual Celebrity Fight Night

PHOTOS: WIRE IMAGE