'Pre-Grammy' gala

Fergie arrives at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Chris Pizzello)

Rihanna arrives at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Chris Pizzello)

Sheryl Crow arrives at the 'Annual Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Chris Pizzello)

Carlos Santana arrives at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Chris Pizzello)

Usher arrives at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Chris Pizzello)

Kesha performs at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Vince Bucci)

Katy Perry arrives at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Chris Pizzello)

Jon Voight arrives at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Chris Pizzello)

Fergie of 'Black Eyed Peas' performs at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Vince Bucci)

Jennifer Hudson arrives at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Chris Pizzello)

Kevin Jonas and Danielle Deleasa arrive at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Chris Pizzello)

CEO of Sony Music Entertainment Worldwide, Clive Davis speaks during the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Vince Bucci)

Taylor Swift arrives at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Chris Pizzello)

Slash and Fergie perform at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Vince Bucci)

Chace Crawford arrives at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Chris Pizzello)

Gabrielle Union arrives at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Chris Pizzello)

Maxwell performs at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Vince Bucci)

Mya arrives at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Chris Pizzello)

Kesha arrives at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Chris Pizzello)

Katy Perry and Russell Brand arrive at the annual 'Pre-Grammy' gala, which was presented by the Recording Academy and Clive Davis at hotel Hilton in Beverly Hills, California on January 30, 2010.  (AP/Chris Pizzello)