Katy Perry Photos: A pretty proficient, lovely and high-quality American songwriter, television judge and singer Katheryn Elizabeth Hudson who is widely famous with her name Katy Perry enjoyed a huge success after her album like One of the Boys, I Kissed a Girl and Hot n Cold. Some of her best albums including Teenage Dream, Last Friday Night and many more made her even more successful. With the music videos like Roar and Dark Horse became her the first artist to have multiple videos reach one billion views on Vevo. She received many appreciations and awards for her amazing work including four Guinness World Records, five Billboard Music Awards, five American Music Awards and many more. She has sold more than 18 million albums and 125 million singles globally through out her career.