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LAS VEGAS, NV - SEPTEMBER 28: Avril Levigne arrives at her 30th birthday celebration at the Bank nightclub in the Bellagio Hotel and Casino on September 28, 2014 in Las Vegas, Nevada. (Photo by Denise Truscello/WireImage)

LAS VEGAS, NV - SEPTEMBER 28:  Avril Levigne arrives at her 30th birthday celebration at the Bank nightclub in the Bellagio Hotel and Casino on September 28, 2014 in Las Vegas, Nevada.  (Photo by Denise Truscello/WireImage)