Article Photos: Bieber resumes tour after scuffle, health problems 2/5

FILE - In this Sept. 30, 2012 file photo, Justin Bieber performs at the MGM Grand Garden Arena in Las Vegas. Bieber is recovering after fainting backstage at a concert in London on Thursday, March 7, 2013. A spokeswoman for Bieber said that the 19-year-old pop star was given oxygen and took a 20-minute reprieve after fainting backstage at his show at London's O2 Arena. (Photo by Isaac Brekken/Invision/AP, File)