Katy Perry Super Fan Knows More About Katy Perry Than Katy Perry (Video)

Jimmy Kimmel invited a woman named Emily on his show to whoop the singer in a game of “Who Knows Katy?”

Katy Perry is either bad with a buzzer or has bad memory because the pop star lost a quiz game all about herself to one of her biggest fans.

Jimmy Kimmel invited Emily, a borderline obsessive Perry fan, on his show on Monday to play the pop star in a game of “Who Knows Katy?”

See video: Miley Cyrus Kissed Katy Perry – And She Liked It – During Bangerz Tour Concert

The answer? Emily!

Watch the video (above) to see Perry get crushed as she struggles to remember how many Grammy awards she has won, what the first movie to feature one of her songs in its soundtrack was, and what “American Idol” she wrote two songs for.