Pink performs onstage at the 52nd Annual Grammy Awards held at Staples Center on January 31, 2010 in Los Angeles, California.
Michael Caulfield/WireImage.com
2 of 9
Pink performs onstage during the 52nd Annual Grammy Awards held at Staples Center on January 31, 2010 in Los Angeles, California.
Jeff Kravitz/FilmMagic.com
3 of 9
Lady Gaga performs onstage at the 52nd Annual Grammy Awards held at Staples Center on January 31, 2010 in Los Angeles, California.
Lester Cohen/WireImage.com
4 of 9
Lady Gaga performs "Poker Face" at the 52nd annual Grammy Awards in Los Angeles January 31, 2010.
REUTERS
5 of 9
Jennifer Lopez in her famous Versace dress at the 42nd Grammy Awards held in Los Angeles, CA on February 23, 2000.
Getty Images
6 of 9
From left: Pink, Christina Aguilera and Mya hold their awards after winning for best pop collaboration with vocals for the song 'Lady Maramalade' from the movie 'Moulin Rouge' at the 44th annual Grammy Awards, Wednesday, Feb. 27, 2002, in Los Angeles.
AP Photo
7 of 9
Toni Braxton poses with her Grammy for Best Female R&B Vocal Performance at the 43rd annual Grammy Awards on February 21, 2001 in Los Angeles.
REUTERS
8 of 9
Christina Aguilera arrives at the 43rd annual Grammy Awards in Los Angeles on February 21, 2001.
REUTERS
9 of 9
Fergie of The Black Eyed Peas arrives at the 54th annual Grammy Awards in Los Angeles, California February 12, 2012.