Article updated: 10/1/2012 7:26 AM

Bieber sick twice on stage in Ariz. tour kickoff

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After getting sick twice onstage Saturday in Phoenix, Justin Bieber was fine for his performance Sunday at the MGM Grand Garden Arena in Las Vegas.

Associated Press

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It wasn't just Justin Bieber's fans who had "Bieber Fever" as the teen idol kicked off his national tour in suburban Phoenix. Video posted on KTVK-TV's website shows the pop music star vomiting twice onstage Saturday night during his sold-out concert at the Jobing.com Arena in Glendale.