Have been hearing Katy Perry's song, "Hot N Cold", these couple of weeks. So, this week is all her. Born 25 October 1984, Katheryn Elizabeth Hudson (better known as Katy Perry) is an American singer/songwriter.

Birth name: Katheryn Elizabeth Hudson
Stage name: Katy Perry
Birth date: 25 October 1984
Birth place: Santa Barbara, California
Horoscope: Scorpio
Ethnicity: white
Height: 1.70m
Measurements: 34-24-35
Occupation: singer, song writer