Listen to Katy Perry online radio. Katheryn Elizabeth "Katy" Hudson (born October 25, 1984), better known by her stage name Katy Perry, is an American recording artist, businesswoman, philanthropist, and actress. Perry has received numerous awards and nominations, including eleven Grammy nominations and Billboard dubbed her as 2012's Woman of the Year. She remains the only artist to spend 69 consecutive weeks in the top ten of the Hot 100.