Pop singer Katy Perry has made a big impact on the music scene in the few years she has been around. In celebration of her 30th birthday on Saturday, join us for a look at her career so far.
Perry's fourth studio album, "Prism," was released on Oct. 18, 2013. The album's first single, "Roar," was released in August 2013 and climbed to the top of the U.S. Billboard Hot 100 chart and peaked in the top 10 in 25 different countries.