Three Six Zero & Roc Nation Benefit At The House Of Blues

Photo by Valerie Macon/Getty Images

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)

Three Six Zero & Roc Nation Benefit At The House Of Blues

WEST HOLLYWOOD, CA - FEBRUARY 12: Singer Rihanna performs at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip on February 12, 2012 in West Hollywood, California. (Photo by Valerie Macon/Getty Images)