Singer Lady Gaga vomited four times during her performance of her hit song "Edge of Glory" in Barcelona, Spain. For the 26-year-old Mother Monster, the show must go on. Lady Gaga still managed to continue and finish her routine like nothing happened.

Lady Gaga even posted the YouTube video clip of the vomiting incident.

"Check out Lady Puke GA doing Swan 'Vomit' Lake. I still hit my routine mom!! :) Thank goodness for the Dorchester. I need some tea, I think I just cried a little watching that (sic)," Lady Gaga wrote. "Belligerent throw up during sax solo amidst epic power ballad about glory atop medieval castle? #metal [Sic]"

The footage shows Lady Gaga, who is in the middle of her performance, turning her back away from the watching crowd to vomit while her male back-up dancer appeared surprised. A true professional that Lady Gaga is, she fearlessly continued her performance that made the back-up dancer realize that the singer had no intention of cancelling the show and he, too, went on with the dance routine.

This is the second vomiting on-stage incident after young pop superstar Justin Bieber faced the same stage embarrassment in Arizona. The teenager singing sensation also threw up on-stage while performing on his Glendale show.

After Lady Gaga opened up about her battle with bulimia, she is probably trying to let the world see how awful this disease really is.

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