Katy Perry arrives at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Katy Perry arrives at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Nominee for Best Pop Solo Performance Katy Perry arrives on the red carpet at the Staples Center for the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Frederic J. BROWN

Musician Taylor Swift arrives at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Florence Welch, of Florence and the Machine, arrives at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Florence Welch, of Florence and the Machine arrives at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Pictured: Florence Welch, Florence and The Machine Mandatory Credit ?? Paul Marks/Broadimage 55th Annual GRAMMY Awards - Arrivals 2/10/13, Los Angeles, California, United States of America Broadimage Newswire Los Angeles 1+ (310) 301-1027 New York 1+ (646) 827-9134 sales@broadimage.com http://www.broadimage.com

Pictured: Esperanza Spalding Mandatory Credit ?? Fernando Allende/Broadimage The 55th Annual GRAMMY Awards 2/10/13, Los Angeles, California, United States of America Broadimage Newswire Los Angeles 1+ (310) 301-1027 New York 1+ (646) 827-9134 sales@broadimage.com http://www.broadimage.com

Nominee for Best Jazz Vocal Album Esperanza Spalding arrives on the red carpet at the Staples Center for the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Frederic J. BROWN

Janelle Monae arrives at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Nominee for Record and Song of the Year and Best Pop Duo Janelle Mon?e arrives on the red carpet at the Staples Center for the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Frederic J. BROWN

Nominee for Record and Song of the Year and Best Pop Duo Janelle Mon?e arrives on the red carpet at the Staples Center for the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Frederic J. BROWN

Recording artist Lisa D'Amato arrives on the red carpet at the Staples Center for the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Frederic J. BROWN

Recording artist Lisa D'Amato arrives on the red carpet with a guest at the Staples Center for the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Frederic J. BROWN

Pictured: Kimbra Mandatory Credit ?? Fernando Allende/Broadimage The 55th Annual GRAMMY Awards 2/10/13, Los Angeles, California, United States of America Reference: 021013_FALA_BDG_126 Broadimage Newswire Los Angeles 1+ (310) 301-1027 New York 1+ (646) 827-9134 sales@broadimage.com http://www.broadimage.com

Kimbra arrives at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Singer Kimbra arrives on the red carpet at the Staples Center for the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Frederic J. BROWN

Bonnie McKee arrives at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Pictured: Bonnie McKee Mandatory Credit ?? Fernando Allende/Broadimage The 55th Annual GRAMMY Awards 2/10/13, Los Angeles, California, United States of America Broadimage Newswire Los Angeles 1+ (310) 301-1027 New York 1+ (646) 827-9134 sales@broadimage.com http://www.broadimage.com

Bonnie McKee arrives at the 55th annual Grammy Awards on Sunday, Feb. 10, 2013, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)