She made her way to a white grand piano which she played by placing one foot up on the keyboard .
Gaga staggered across the stage and pirouetted behind a dancer in a lily - white wheelchair .
Gaga made Gaga 's way to a white grand piano which she played by placing one foot up on the keyboard .
Gaga staggered across the stage and pirouetted behind a dancer in a lily - white wheelchair .