The Roar hitmaker - who will take to the stage at half time during the big game between the New England Patriots and the Seattle Seahawks in Glendale, Arizona - posted a link to a preview of the track on her Twitter page which even featured a voiceover from her show guest, Lenny Kravtiz.
The spoof song - in which the 30-year-old singer describes herself as "hairy" and "scary", while Kravtiz promotes T Mobile and talks about pollution - was first posted online by comedy writer Tim Heidecker before Katy shared the song with her 64.1 million followers.
The video is captioned: "LEAKED MATERIAL DO NOT SHARE - SONG TO DEBUT DURING SUPERBOWL 2015 - RESTRICTED obtained by Tim Heidecker with JP. HASSON."
In the hilarious track, the brunette beauty can also be heard giving the teams pointers.
She sings: "Don't have to dribble, you pass the ball/ You run the ball, you go to the end zone/ To score the points."
It isn't the first time a fake track has been released ahead of a headliner's performance at the prestigious event.
In 2012, Tim - who is the brains behind comedy shows Tom Goes to the Mayor and Tim & Eric's Bedtime Stories - released a rap track which he claimed had been composed for Madonna's half-time set.
The fake song Abracadabralifornia was also 'leaked' ahead of the Red Hot Chili Peppers performance at the event last year.Listen to the fake track here:
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