Celebrity Circuit

Actors Rita Wilson and Tom Hanks attend Muhammad Ali's Celebrity Fight Night XIII held at JW Marriott Desert Ridge Resort & Spa on March 24, 2012, in Phoenix, Ariz.

NEXT: Miley Cyrus and Liam Hemsworth

Miley Cyrus and her boyfriend, actor Liam Hemsworth, attend Muhammad Ali's Celebrity Fight Night XIII held at JW Marriott Desert Ridge Resort & Spa on March 24, 2012, in Phoenix, Ariz.

NEXT: Reba McEntire

Singer/actress Reba McEntire and honoree Diane Halle attend Muhammad Ali's Celebrity Fight Night XIII held at JW Marriott Desert Ridge Resort & Spa on March 24, 2012, in Phoenix, Ariz.

NEXT: Jordin Sparks and Jason Derulo

Jordin Sparks and her beau, Jason Derulo, pose in the audience during Muhammad Ali's Celebrity Fight Night XIII held at JW Marriott Desert Ridge Resort & Spa on March 24, 2012, in Phoenix, Ariz.

NEXT: Jackie Evancho

Singer Jackie Evancho performs onstage during Muhammad Ali's Celebrity Fight Night XIII held at JW Marriott Desert Ridge Resort & Spa on March 24, 2012, in Phoenix, Ariz.

NEXT: Miley Cyrus

Singer/actress Miley Cyrus performs onstage during Muhammad Ali's Celebrity Fight Night XIII held at JW Marriott Desert Ridge Resort & Spa on March 24, 2012, in Phoenix, Ariz.

NEXT: Miley Cyrus and Liam Hemsworth

Actress Miley Cyrus and actor Liam Hemsworth attend Muhammad Ali's Celebrity Fight Night XVIII on March 24, 2012 in Phoenix, Ariz. Fight Night supports the fight against Parkinson's disease and this year also celebrated Ali's 70th birthday.

NEXT: Rita Wilson

Actress/singer Rita Wilson performs onstage during Muhammad Ali's Celebrity Fight Night XIII held at JW Marriott Desert Ridge Resort & Spa on March 24, 2012, in Phoenix, Ariz.

NEXT: Tom Hanks and Muhammad Ali

From left, Actor Tom Hanks, Muhammad Ali and actress Rita Wilson pose backstage during Muhammad Ali's Celebrity Fight Night XIII held at JW Marriott Desert Ridge Resort & Spa on March 24, 2012, in Phoenix, Ariz.

NEXT: Ben Vereen

Actor/dancer/singer Ben Vereen arrives at Muhammad Ali's Celebrity Fight Night XIII held at JW Marriott Desert Ridge Resort & Spa on March 24, 2012, in Phoenix, Ariz.

NEXT: Lionel Richie

Singer Lionel Richie performs onstage during Muhammad Ali's Celebrity Fight Night XIII held at JW Marriott Desert Ridge Resort & Spa on March 24, 2012, in Phoenix, Ariz.

NEXT: John Corbett

Actor John Corbett, right, performs with his rock band on stage at Muhammad Ali's Celebrity Fight Night XVIII on March 24, 2012, in Phoenix, Ariz.

NEXT: Rose McGowan

Jason Merritt/Getty Images for The Humane Society

Actress Rose McGowan attends the 26th Genesis Awards held at The Beverly Hilton hotel on March 24, 2012, in Beverly Hills, Calif.

NEXT: Tom Hanks

Actor Tom Hanks cheers after the Los Angeles Kings scored their first goal against the Detroit Red Wings at Staples Center on March 13, 2012, in Los Angeles.

NEXT: Jennifer Lawrence

Actress Jennifer Lawrence of "The Hunger Games" attends an event with fans at the Capitol cinema on March 26, 2012, in Madrid.

NEXT: Jennifer Lawrence

Actress Jennifer Lawrence of "The Hunger Games" attends an event with fans at the Capitol cinema on March 26, 2012, in Madrid.

NEXT: Owen Wilson

Actor Owen Wilson is seen on the grid before the start of the Malaysian Formula One Grand Prix at the Sepang Circuit on March 25, 2012, in Kuala Lumpur, Malaysia.

NEXT: Owen Wilson

Owen Wilson, left, and Adrian Brody walk through the starting grid prior to the start of the Malaysian Formula One Grand Prix at Sepang, Malaysia, March 25, 2012.

NEXT: Sam Worthington and Liam Neeson

Actors Sam Worthington and Liam Neeson attend the "Wrath of the Titans" premiere at the AMC Lincoln Square Theater on March 26, 2012, in New York.

NEXT: Chris O'Dowd

Gareth Cattermole/Getty Images for Jameson

Actor Chris O'Dowd attends the 2012 Jameson Empire Awards at the Grosvenor House Hotel on March 25, 2012, in London.

NEXT: Dolph Lundgren

Actor Dolph Lundgren attends the 2012 Jameson Empire Awards at the Grosvenor House Hotel on March 25, 2012, in London.

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