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 Monday, August 11. "They said, 'No way! MSG, it couldn't be done.' And I was scared too," she began a lengthy speech to the crowd during the latest stop of her Lifetimes Tour. Perry, 40, then quipped that she was "not talking about a sold-out show" before declaring, "I'm talking about the fact that I ate a hot dog from the corner!" "I rolled the dice yesterday, and I loved it.