"BB UR A FIREWORK ... Related: Katy Perry Wears Risqué Outfit at Paris Fashion Week While Hiding C-Section Scar: ‘The Lowest I Was Gonna Go’ Following the song's release in 2010, Perry ...

And in a week, Katy ... "Firework," which topped the Billboard Hot 100 for four weeks. "and speaking of work, WOMAN'S WORLD IS GOING TO WORK IN ONE WEEK," she added. "HAPPY 4TH 🇺🇸" As Perry ...