Katy Perry - Hot N Cold.mp4

Official Video of
"Hot n Cold"
Single by Katy Perry
from the album One of the Boys
Released September 9, 2008
Recorded December 2007
Dr. Luke's Studios, Legacy Recording Studio (New York City, New York, U.S.)
Conway Recording Studio (Hollywood, California, U.S.)
Genre: Pop
Length 3:40
Writers: Katy Perry Lukasz Gottwald Max Martin
Producer: Dr. Luke Benny Blanco

"Hot n Cold" (stylized as Hot N Cold) is a song by American singer Katy Perry. The song was written by Perry, Dr. Luke and Max Martin and produced by Dr. Luke and Benny Blanco for her second studio album, One of the Boys (2008). The track was released as the album's second single on September 9, 2008. The lyrics address an unstable romantic relationship caused by a partner's mood swings.

The song received mixed to positive reviews from music critics. It reached number three on the Billboard Hot 100, becoming Perry's second consecutive top three single, after her previous hit "I Kissed a Girl". It also became Perry's second top five single in the United Kingdom, Australia, Ireland and New Zealand, and topped the charts in Finland, Germany, Canada, Norway, Spain and Denmark, among others. To date, "Hot n Cold" has sold over six million digital downloads worldwide, making it one of the best-selling singles worldwide and one of Perry's highest-selling singles to date.