Lady Gaga and Katy Perry Inspired an Episode of ‘Glee’ After Unleashing a Fierce Battle Between Their Hit Songs – Here’s Where Their Careers Have Gone Since

Lady Gaga and Katy Perry are two pop icons who dominated the charts in the early 2000s and 2010s. Their catchy songs and huge personalities were, of course, the reason for their popularity, but what took their competition to the next level was when they released two of their biggest hits on the same day. Roar | Credit: Katy Perry YouTube New music drops were like an event, and this was the mother of all events. Both artists were at the pinnacle of their fame and were coming off after very successful albums. They decided to release their lead singles