when was hot and cold released
Ur So Gay. Hot N Cold is a song written by Katy Perry, Dr. Luke, and Max Martin. The song appears as track seven on One of the Boys. It was released on September 30, 2008 as the second single from the album and is Perry's second U.S. number one single. The song topped charts in fifteen countries worldwide in places such as the United States, the United Kingdom, Australia, Ireland, Ireland, Germany, and New Zealand.