Marilyn Manson apparently collapsed on stage as he performed in Canada.
Unaware of his plight, his band continued playing before realising he had passed out and stage hands rushed to him.
Reports claimed that he may have thrown up several times on stage, but this isn't clear from the footage.
Sources told TMZ that the 44-year-old, whose real name is Brian Hugh Warner, had been suffering from flu symptoms but refused to cancel or postpone the gig. Instead of going to the hospital, he was taken to his hotel room to rest.