Singer Rihanna watches the NBA game between the Los Angeles Clippers and the Miami Heat in Los Angeles, California January 11, 2012.
Singer Lady Gaga arrives at Narita International Airport in Narita, east of Tokyo, Tuesday, Dec 20, 2011. Lady Gaga is in Tokyo for a music event.
A wax figure of singer Rihanna stands alongside another of Lady Gaga at the unveiling of the Rihanna figure at Madame Tussauds in London Oct 3, 2011.
Celebrities perform at the Rock in Rio Music Festival in Rio de Janeiro September 23, 2011.
Rihanna performs at the Nilson Nelson Arena in Brasilia as part of the "Loud" tour September 21, 2011.
Singer Rihanna poses during the launch of her fragrance "Reb'l fleur" at a House of Fraser department store on Oxford Street in London August 19, 2011.
Rihanna is pictured during Barbados' Kadoomant Day Parade, August 1, 2011.
Singer Rihanna performs on NBC's "Today" show in New York, May 27, 2011.
Tinie Tempah and Arcade Fire both scooped two trophies at tonight's (15.02.11) BRIT Awards.
Eminem performs "I Need A Doctor" at the 53rd annual Grammy Awards in Los Angeles, California February 13, 2011.
Country trio Lady Antebellum and Canadian rock band Arcade Fire lit up the Grammy Awards on Sunday, winning key prizes in a ceremony packed with upset victories and a humiliating setback for Eminem.
Rihanna showed she is still in touch with her roots as she partied with her best friend Melissa and some of her childhood pals at the Models & Bottles party at The Ship Inn.