Katy Perry-Teenage Dream No.1 on Hot 100 Billboard(Week of September 25, 2010)and Also Charted On #3 Pop Songs,#9 Dance/Club Play songs, #4 Radio Songs, #2 Digital Songs, #5 Ringtones. "Teenage Dream" was released on August 24, 2010 in the United States and Canada. It was released August 30, 2010 worldwide and debuted at number one on the Billboard 200.
Katy Perry (born October 25, 1984) is an American singer-songwriter and musician. Katy Perry was born in Santa Barbara, California, and raised by Christian pastor parents; she grew up listening to only gospel music and sang in church as a child. After earning a GED during her freshman year of high school, she began to pursue a music career. She released a self-titled gospel album in 2001 as Katy Hudson which failed with the closing of its record label that year. She recorded an album with production team The Matrix and completed most of a solo album from 2004–2005, neither of which were released.
Katy Perry - Teenage Dream (Live on Letterman)