To promote " Hot n Cold " , Perry marked the song 's live debut with a performance on NBC 's '' Today '' . She also performed the song at the 2008 MTV Europe Music Awards , which she hosted . The song 's music video , which was directed by Alan Ferguson , was released on October 1 , 2008 , and features Perry as a bride who is about to get married to her fiancé , who experiences a daydream in which she pursues him after he flees from the wedding . " Hot n Cold " was nominated for the Grammy Award for Best Female Pop Vocal Performance at the 52nd Annual Grammy Awards . Perry also performed the song on the Hello Katy Tour , California Dreams Tour , Prismatic World Tour and Witness : The Tour
2008 MTV Europe Music Awards
2008 MTV Europe Music Awards
Hot n Cold