Lady Gaga put Justin Bieber to shame this weekend ... barfing MULTIPLE TIMES on stage during a concert in Spain .... WITHOUT MISSING A STEP!!!!
Gaga was in the middle of her hit "Edge of Glory," when she bends over with her back to the stage and starts blowin' chunks ... and then immediately pulls herself together and starts dancing again!
Seconds later, she bends over again and pukes again ... and then a 3rd time ... before stepping right back into her routine like nothing happened.
After the show, Gaga tweeted about the vomit-athon ... even posting a link to the clip with the line, "Was praying nobody saw but actually its quite a good laugh if u need one!"
Pa pa pa puker face.
7:25 AM PT -- Sources close to Gaga tell TMZ ... Gaga had been suffering from the flu before the show ... but didn't want to cancel the show ... 'cause she's a badass.
We're told Gaga has since recovered from the illness and is now doing fine.
PUKES ON STAGE
Doesn't Miss a Step
10/8/2012 3:45 AM PDT BY TMZ STAFF
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