Katy Perry had a message for those who doubted her after she sold out Madison Square Garden in New York City during her Lifetimes Tour.

Katy Perry is in on the joke. The pop star poked fun at the backlash she has received in recent months as she celebrated a sold-out show at Madison Square Garden in New York City on Monday1. "They said,

Katy Perry performed a sold-out show at Madison Square Garden in New York City on Monday, Aug. 11 There, she acknowledged that fans filled every seat in the arena, after naysayers once said she wouldn't be able to “New York you’re special and you know it,