Britney Spears
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Britney Spears is keeping a sound body and a sound mind on her tour, and she's making sure her crew does the same. The pop star reportedly is banning junk food and alcohol backstage at her shows, while demanding that Michael Jackson songs be played in her dressing room.

British tabloid The Sun also reports that Britney will have a mini gym set up at each tour stop, plus a number of humidifiers to keep her voice fresh. In addition to listening to Michael Jackson's songs, Britney apparently has enlisted Jacko's choreographers to help out with some dance routines.

Britney's North American tour with opening act Nicki Minaj kicks off June 16 in Sacramento, Calif. Britney recently made a surprise appearance at an after-party that Nicki hosted at a nightclub in Los Angeles, sending guests into pandemonium. The two also released a 'Til the World Ends' remix over the weekend alongside Kesha, who originally co-wrote the song for Brit.

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