Pop star Katy Perry has teased fans about her upcoming half-time Super Bowl performance by "leaking" a parody track by comedian Tim Heidecker.
The 'Roar' hitmaker and special guest Lenny Kravitz will headline the coveted show during football clash between the New England Patriots and the Seattle Seahawks on February 1.
"'Super Bowl Leak', and shared a song called 'Katy Perry Leaked Superbowl Song 2015', by funnyman Heidecker, of popular duo Tim & Eric," Perry wrote.
