During a cover of Jay-Z's 'Big Pimpin,' Katy Perry appears to be using a bedazzled recorder to mimic the song's signature flute sample.

But when her timing gets confused it's revealed that the music is coming from a pre-recorded track, and that she is just pretending to play the notoriously simple to master instrument. Holy Milli Vanilli moment, Batman! 

Check out the gaffe below, and somebody get Perry an instrument she can handle. Like a kazoo.

[via BuzzFeed]

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