"Last time I did this I was on my own with a safety pin & cube of ice @ 13," the 29-year-old pop star said. "This time I thought it was best I left it to the pro's. Sorry mom (again)."
The clip, which can be viewed above (not for the squeamish!) has shared more than 3,700 times on Twitter, where Perry has more than 55.5 million followers, and more than 7,300 times on the singer's Facebook page, which has been liked by more than 73.5 million users. Her post on Instagram, which is followed by more than 6.7 million people, has been liked more than 270,000 times.
Check out responses from five Twitter users below.
@katyperry YASSSS! Had to cover my eyes though for a moment not gonna lie ????? Jess (@AllCanadianJess) August 16, 2014
@katyperry You should also apologize to my Mom cause I'm inspired to do this ????? Minnie Thot (@KatysWeirdness) August 16, 2014