After a powerful message from both President Barack Obama and a domestic abuse survivor, Katy Perry delivered an emotional performance of 'By the Grace of God' at the 2015 Grammy Awards.
Katy Perry showed the world that she is, indeed, a "firework" as she lit up the University of Phoenix Stadium during the 49th Super Bowl halftime show in front of millions of viewers worldwide.
Ariana Grande, Beyonce, Iggy Azalea, Katy Perry and Lorde are all facing off for the coveted Best Female Video award at the 2014 MTV VMAs, but only one can walk away with the prize!
Apparently divorcing her ex-husband Russell Brand wasn’t quite enough for Katy Perry. The pop star is looking to clear her marriage slate by seeking an annulment.