“The O’Reilly Factor” sent Jesse Watters to a Miley Cyrus concert in New Jersey, where he asked fans to identify some pretty famous people.

The concert-goers had some trouble identifying Vice President Joe Biden, Secretary of State John Kerry and Russian President Vladimir Putin.

But one photo that everyone did recognize was Katy Perry’s.

Watch the funny, yet cringe-worthy, clip above.

Check out past WATTERS' WORLD clips below:

Americans on Streets of Philly Don't Know Answers to U.S. Citizenship Test

Jesse Talks to Russian Immigrants in Brooklyn

Watters' World Behind the Scenes at the 'Bolder and Fresher Tour'

'Watters' World' Finds Out What Americans (Don't) Know About U.S. Presidents