Singer Pink performs onstage At Grammys

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Singer Pink performs onstage during the Grammy Show at the 52nd Grammy Awards in Los Angeles, California on January 31, 2010. (credit: ROBYN BECK/AFP/Getty Images)

Pink performs at the Ahoy

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American singer Pink performs at the Ahoy in Rotterdam on December 6, 2009. (credit: ROBIN UTRECHT/AFP/Getty Images)

Pink At The Wireless Festival

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July 2, 2010 in London, England. (credit: Getty Images)

2010 American Music Awards

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Pink onstage during the 2010 American Music Awards held at Nokia Theatre L.A. Live on November 21, 2010 in Los Angeles, California. (credit: Getty Images)

Pink Visits The Elvis Duran Z100 Morning Show

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Pink at the Z100 Studio on July 9, 2012 in New York City. (credit: Getty Images)

P!nk Announces New Partnership

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Pink at Shutters On The Beach on August 6, 2012 in Santa Monica, California. (credit: Getty Images)

2012 MTV Video Music Awards

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Pink onstage during the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (credit: Getty Images)

2012 iHeartRadio Music Festival

Pink performs onstage during the 2012 iHeartRadio Music Festival at the MGM Grand Garden Arena on September 22, 2012 in Las Vegas, Nevada. (credit: Getty Images)

Brisbane Entertainment Centre Presents Pink With Her Own Toilet

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Singer Pink poses by the door 6 female toilet block at the Brisbane Entertainment Centre which has been named "Pink Ladies" in honour of her for being the biggest selling artist ever at the venue, on August 25, 2009 in Brisbane, Australia. The singer cut the ribbon on the new toilets - which are adorned with photos and stencils of the singer - before going on stage at the venue for the 10th of her 11 sold out shows at the venue. (credit: Getty Images)

Pink Live At The Forum

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Pink performs for fans at The Forum Theatre on October 4, 2012 in Melbourne, Australia. Pink is in Australia promoting her latest album, The Truth About Love. (credit: Getty Images)

NBC's Today Show Presents Pink In Concert

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Pop singer Pink performs in concert on NBC's Today Show at Rockefeller Plaza July 07, 2006 in New York City. (Photo by Evan Agostini/Getty Images)

Pink Plays Melbourne

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Pop star Pink plays the first Melbourne night of her "I'm Not Dead" tour at the Rod Laver Arena on April 26, 2007 in Melbourne, Australia. The star has returned to Australia for the second year running to finish her world arena tour which includes 30 dates in Australia, in support of her latest album "I'm Not Dead". (Photo by Kristian Dowling/Getty Images)

Pink In Concert - Sydney

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Singer Pink, born Alecia Moore, performs on stage at an exclusive club performance following her appearance for the ARIA Awards on Sunday, at The Metro Theatre on October 21, 2008 in Sydney, Australia. (credit: Lisa Maree Williams/Getty Images)

Bette Midler's New York Restoration Project's "Hulaween" Gala

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Recording artist Pink attends Bette Midler's New York Restoration Project's 'Hulaween' at the Waldorf-Astoria Hotel on October 31, 2008 in New York City. (credit: Neilson Barnard/Getty Images)

Pink In Berlin

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Pink attends the 177th 'Wetten dass...?' show at the O2 World on November 08, 2008 in Berlin, Germany. (Photo by Andreas Rentz/Getty Images)

2008 American Music Awards

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Pink during the 2008 American Music Awards held at Nokia Theatre L.A. LIVE on November 23, 2008 in Los Angeles, California. (credit: Getty Images)

2000 Teen Choice Awards

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Pink attends, August 6, 2000, at the "2000 Teen Choice Awards" in Santa Monica, CA. (Photo by Chris Weeks/Liaison)

Pink Attends Hart And Huntington Freestyle Tour

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Pink and Carey Hart look on during the Hart And Huntington Freestyle Tour event at Rod Laver Arena on May 30, 2009 in Melbourne, Australia. (Photo by Quinn Rooney/Getty Images)

Pink Plays Perth

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Singer Pink performs on stage at the Burswood Dome on May 22, 2009 in Perth, Australia. (credit: Getty Images)

Pink Attends A Songwriting Master Class At The University Of The Arts

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Pink participates in a songwriting master class hosted by the University of the Arts on October 3, 2009 in Philadelphia, Pennsylvania. The class was attended by University of the Arts and High School for the Creative and Performing Arts students. (Photo Jeff Fusco/Getty Images)