Britney Spears is confirming months of rumors about a possible show residency in Las Vegas. The pop superstar tells "Shape" magazine she has been shaping up for the event, which she says will be "a massive party from start to finish."
Spears reveals a workout regimen that includes 90 minutes of yoga twice a week and lots of hour-long cardio sessions with her trainer.
The Vegas confirmation comes months after Spears let slip that she was in negotiations to headline an extended concert series shortly after she vacated her judge's seat on "The X Factor."
As yet, no official announcement has been made about where Britney's Vegas show will be held.
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