TV Personality Kim Kardashian, Honoree Sir Richard Branson and Singer Britney Spears attend Clive Davis and the Recording Academy's 2012 Pre-GRAMMY Gala and Salute to Industry Icons Honoring Richard Branson held at The Beverly Hilton Hotel on February 11, 2012 in Beverly Hills, California. (Photo by Larry Busacca/Getty Images For The Recording Academy)
Singer Britney Spears arrives at KIIS FM's Wango Tango in Los Angeles on Saturday, May 14, 2011.
BEVERLY HILLS, CA - MAY 11: Recording artist Britney Spears (R) and agent Jason Trawick attend An Evening of \"Southern Style\" presented by the St. Bernard Project & the Spears family at a private residence on May 11, 2011 in Beverly Hills, California. (Photo by David Livingston/Getty Images)
Lady Gaga, left, presents Britney Spears with the Video Vanguard award at the MTV Video Music Awards on Sunday Aug. 28, 2011, in Los Angeles. (AP Photo/Matt Sayles)
Singer Britney Spears performs on ABC's "Good Morning America" show at the Bill Graham Civic Auditorium in San Francisco on Sunday, Mar. 27, 2011.
Britney Spears strikes a pose for \"Good Morning America's\" taping to be aired on March 29, 2011 in San Francisco, Calif., on March 27, 2011 -- Getty Images
Brittany (Heather Morris) and Britney Spears on the \"Glee\" set. Photo courtesy of Britney's Twitpic -- Britney Spears/Twitpic
Britney Spears and her sons Jayden James and Sean Preston pose with Kissy Simmons, Derrick Willimas, Ntsepa Pitjeng and Niles Rivers of The Lion King at Mandalay Bay in Las Vegas on April 3, 2011 -- Getty Images
In this August 9, 2009 photo, Britney Spears arrives at the Teen Choice Awards in Universal City, California.