52nd Pre-Grammy Gala

US singer Fergie (L) and British-born US former Guns N' Roses guitarist Slash (R) perform at the Pre-Grammy Gala at the Beverly Hilton Hotel in Beverly Hills on January 30, 2010. (AFP Photo/Mark Ralston)

US singer Jamie Foxx performs at the Pre-Grammy Gala at the Beverly Hilton Hotel in Beverly Hills on January 30, 2010. (AFP Photo/Mark Ralston)

US singer Kesha (R) performs with her band at the Pre-Grammy Gala at the Beverly Hilton Hotel in Beverly Hills on January 30, 2010. (AFP Photo/Mark Ralston)

Kevin Jonas, left, and Danielle Deleasa arrive at the annual Pre-Grammy Gala presented by The Recording Academy and Clive Davis on Saturday, Jan. 30, 2010 at The Beverly Hilton Hotel in Beverly, Hills, California. (AP Photo/Chris Pizzello)

Slash, right, and Perla Hudson arrive at the annual Pre-Grammy Gala presented by The Recording Academy and Clive Davis on Saturday, Jan. 30, 2010 at The Beverly Hilton Hotel in Beverly, Hills, California. (AP Photo/Chris Pizzello)

Singer Toni Braxton arrives at the annual Pre-Grammy Gala presented by The Recording Academy and Clive Davis on Saturday, Jan. 30, 2010 at The Beverly Hilton Hotel in Beverly, Hills, California. (AP Photo/Chris Pizzello)

US singer Katy Perry (L) and partner British comedian Russell Brand (R) arrive on the red carpet for the Pre-Grammy Gala at the Beverly Hilton Hotel in Beverly Hills on January 30, 2010. (AFP Photo/Mark Ralston)

Singer Allison Iraheta arrives at the annual Pre-Grammy Gala presented by The Recording Academy and Clive Davis on Saturday, Jan. 30, 2010 at The Beverly Hilton Hotel in Beverly, Hills, California. (AP Photo/Chris Pizzello)

Singer Jennifer Hudson and Chief Creative Officer of Sony Music Entertainment Worldwide Clive Davis arrives at the Pre-Grammy Gala presented by the Recording Academy and Clive Davis in Beverly Hills, California, January 30, 2010. (Reuters/Jason Redmond)

Singer Mary J. Blige arrives at the Pre-Grammy Gala presented by the Recording Academy and Clive Davis in Beverly Hills, California January 30, 2010. (Reuters/Jason Redmond)

Singer Rihanna arrives at the annual Pre-Grammy Gala presented by The Recording Academy and Clive Davis on Saturday, Jan. 30, 2010 at The Beverly Hilton Hotel in Beverly, Hills, California. (AP Photo/Chris Pizzello)

Singers will.i.am, Fergie, and Taboo of the Black Eyed Peas perform at the Pre-Grammy Gala presented by the Recording Academy and Clive Davis in Beverly Hills, California, January 30, 2010. (Reuters/Jason Redmond)

US singer Jennifer Hudson performs at the Pre-Grammy Gala at the Beverly Hilton Hotel in Beverly Hills on January 30, 2010. (AFP Photo/Mark Ralston)

Singer Ke$ha performs at the Pre-Grammy Gala presented by the Recording Academy and Clive Davis in Beverly Hills, California, January 30, 2010. (Reuters/Jason Redmond)

Singer Ne-Yo (R) and Jessica White arrive at the Pre-Grammy Gala presented by the Recording Academy and Clive Davis in Beverly Hills, California on January 30, 2010. (Reuters/Jason Redmond)

Kelsey Grammer, left, and Camille Grammer arrive at the annual Pre-Grammy Gala presented by The Recording Academy and Clive Davis on Saturday, Jan. 30, 2010 at The Beverly Hilton Hotel in Beverly, Hills, California. (AP Photo/Chris Pizzello)

Jamie Foxx, right, performs onstage at the annual Pre-Grammy Gala presented by The Recording Academy and Clive Davis on Saturday, Jan. 30, 2010 at The Beverly Hilton Hotel in Beverly, Hills, California. (AP Photo/Vince Bucci)

Mary J. Blige performs onstage at the annual Pre-Grammy Gala presented by The Recording Academy and Clive Davis on Saturday, Jan. 30, 2010 at The Beverly Hilton Hotel in Beverly, Hills, California. (AP Photo/Vince Bucci)

Keri Hilson arrives at the annual Pre-Grammy Gala presented by The Recording Academy and Clive Davis on Saturday, Jan. 30, 2010 at The Beverly Hilton Hotel in Beverly, Hills, California. (AP Photo/Chris Pizzello)

Carrie Underwood arrives at the annual Pre-Grammy Gala presented by The Recording Academy and Clive Davis on Saturday, Jan. 30, 2010 at The Beverly Hilton Hotel in Beverly, Hills, California. (AP Photo/Chris Pizzello)

(From left) Apl.de.ap, Stacy Ferguson, also known as Fergie, Taboo and will.i.am of The Black Eyed Peas arrive at the annual Pre-Grammy Gala presented by The Recording Academy and Clive Davis on Saturday, Jan. 30, 2010 at The Beverly Hilton Hotel in Beverly, Hills, California. (AP Photo/Chris Pizzello)

Mya arrives at the annual Pre-Grammy Gala presented by The Recording Academy and Clive Davis on Saturday, Jan. 30, 2010 at The Beverly Hilton Hotel in Beverly, Hills, California. (AP Photo/Chris Pizzello)

(From left) Verdine White, Ralph Johnson and Philip Bailey of Earth, Wind & Fire arrive at the annual Pre-Grammy Gala presented by The Recording Academy and Clive Davis on Saturday, Jan. 30, 2010 at The Beverly Hilton Hotel in Beverly, Hills, California. (AP Photo/Chris Pizzello)

Singer Rob Thomas, left, and wife Marisol Thomas arrive at the annual Pre-Grammy Gala presented by The Recording Academy and Clive Davis on Saturday, Jan. 30, 2010 at The Beverly Hilton Hotel in Beverly, Hills, California. (AP Photo/Chris Pizzello)