Lady GaGa confirmed she doesn't lip-sync when her microphone cut out during a concert in Norway at the weekend (16Oct10).
The Poker Face singer has been touring the world for the past year, performing pitch-perfect shows night after night.
The success of the trek has prompted some cynical critics to publicly assume she isn't singing live during all her performances.
She recently hit back at the claims, saying, "I will sing live every night. I will never lip-sync, not when you buy a ticket to my show.”
And the star proved her worth onstage in Oslo at the weekend, when a technical fault cut off her voice for several seconds during a performance of her hit Alejandro.
During a high-octane dance routine, the singer shouted to her fans, "I told you I don't lip sync; my f**king mic just went out."