After a tumultuous week including his “worst birthday” upon turning 19 and being booed by a British crowd for a late concert start, pop star Justin Bieber was rushed to a UK hospital after fainting during a performance at London’s O2 Arena.

According to The Hollywood Reporter, Bieber passed out in the backstage area towards the end of the show. He was treated on the scene and given oxygen while his manager, Scooter Braun, addressed the O2 audience.

“Justin’s got very light breath,” Braun explained. “The whole show he’s been complaining. He’s backstage with the EMTs and the doctor.”

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