Katy Perry’s Haunted Hayride in L.A.

John Shearer/AP

10/09/2012 AT 6:00 AM ET

Frightful but delightful!

Katy Perry joined a group of girlfriends Sunday for a night out at the Los Angeles Haunted Hayride.

Before embarking on a private hayride, Perry and crew met up with Fashion Police host George Kotsiopoulos and his friends.

Wearing ponchos to protect them from the splatter and gore, the group headed into a haunted maze.

“Katy was in there for about 30 minutes!” an onlooker tells PEOPLE. “She seemed to be having a ton of fun and shared lots of laughs with her friends.”

“She loved being scared by all of the characters each time they snuck up on her!” the source adds.
– Melody Chiu

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