Singer Rihanna performs on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York. The show airs on CBS on Sept. 9.
Beyonce performs on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
Singers Ciara, left, Carrie Underwood and Mariah Carey, right, appears on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
Actress Charlize Theron appears on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
Justin Timberlake performs on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
Duffy performs on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
Actor Terrence Howard appears on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
New dad Keith Urban performs on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
Kid Rock performs on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
Fergie performs during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
Singers, from left, Mariah Carey, Mary J. Blige, Beyonce and Miley Cyrus perform on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
Justin Timberlake and Beyonce Knowles perform on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
Host Denis Leary appears on stage wearing a dress during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
Mariah Carey performs on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
Mary J. Blige performs on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
Pussycat Dolls, from left, Jessica Sutta, Ashley Roberts, Nicole Scherzinger, Kimberly Wyatt and Melody Thornton perform on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
Fergie and Deborah Harry perform on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
Timbaland appears on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
Singer Rihanna performs on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.
Miley Cyrus appears on stage during Conde Nast's Fashion Rocks show, Friday, Sept. 5, 2008, in New York.