In what could be a dress rehearsal for their upcoming tour, Britney Spears is rumoured to be performing live with rapper Nicki Minaj at the 2011 Billboard Music Awards.

Britney is not listed as part of the Billboard Awards line up, but word has quickly spread that she’s been booked to take the stage not once, but twice tonight.

The 29-year-old pop star is said to be rehearsing as part of the opening act with Rihanna, 23, as they perform the Barbadian singer’s hit song S&M.

Then Britney will take the stage with Nicki Minaj later in the show, which is being held at the MGM Grand Hotel is Las Vegas.

Sources tell Us Weekly Magazine there is a lot of excitement surrounding Britney’s rumoured appearances.

Most anticipated is her live performance, for the first time ever with hip-hop star Nicki Minaj, 29, as they partner up for a remix of Spears’ hit Till The World Ends.

Minaj first met Spears in April and later that month, Spears confirmed on her website that the rapper would be joining her on her Femme Fatale tour this summer.

‘I’m obviously honored to be out with Britney,’ Minaj told US of the tour.

‘She’s freakin’ paved the way for so many things right now in pop culture. I’m excited to be on with her,’ she added.

source

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