Katy Perry.

Katy Perry (Katy Perry) is a famous American female singer, songwriter and actress, born on October 25, 1984, represented by "Ur So Gay", the album "One of the Boys", "California Gurls", "Firework", "E.T.", the album E.T", "PRISM", etc. Her major achievements include being the first female singer to have five number one singles from the same album on the Billboard Hot Singles Chart; Best Female Vocalist at the 32nd All-British Music Awards; Best Video at the 17th MTV Europe Music Awards; Favorite Female Vocalist at the 37th People's Choice Awards; Music Video of the Year at the 28th MTV Awards; and nominated for nine Grammy Awards, etc. She is also the first female singer to have five number one singles from the same album on the Billboard Hot Singles Chart.