Actress Cameron Diaz attends the Vanity Fair and Ermenegildo Zegna Dinner hosted by Colin & Livia Firth and Anna Zegna, in support of Oxfam America and The Green Carpet Challenge at Chateau Marmont on February 22, 2012 in Los Angeles, California.
Celebrities attend the 54th annual Grammy Awards in Los Angeles, California February 12, 2012.
Singers gather at the 2012 MusiCares Person of the Year tribute honoring Paul McCartney in LA on Feb 10, 2012.
Forbes has published a list of top-earning female artists in 2011. Lady Gaga tops the list.
Taylor Swift, Justin Bieber and Katy Perry accept awards and perform at the 2011 American Music Awards November 20, 2011.
Celebrities arrive at the 2011 American Music Awards in Los Angeles on Nov 20, 2011.
Celebrities perform at the Rock in Rio Music Festival in Rio de Janeiro September 23, 2011.
Winners of 2011 MTV Video Music Awards were revealed in Los Angeles August 28, 2011.
Celebrities arrive at the 2011 MTV Video Music Awards in Los Angeles August 28, 2011.
Singer Katy Perry poses for photos in New York on July 24, 2011.
"The Smurfs" premiered at the Ziegfeld Theater in New York on July 24.
Eminem performs "I Need A Doctor" at the 53rd annual Grammy Awards in Los Angeles, California February 13, 2011.