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Justin Theroux, Jennifer Aniston

Frederick M. Brown/Getty Images

It sounds like Justin Theroux may be a bigger prankster than Ellen DeGeneres!

While chatting with the talk-show host on Ellen this week, Jennifer Aniston opened up about her fiancé's frequent attempts to scare her at home.

"He calls it trickery," the 44-year-old actress said. "He's constantly hiding behind drapes. And I'm constantly scared. It's like, it doesn't get old on me."

"Do that to him," DeGeneres urged. "He's not expecting it now."

Aniston replied, "OK, shh. I'm going to do that!"

Backstage at Ellen, Aniston tried to get in on the pranking herself by jumping out from behind a door at DeGeneres. Sadly, the trickery wasn't exactly successful.

"Let's talk about your failure backstage," DeGeneres quipped. "It looked like you were running from a spider. Had you not ever scared anyone before?"

Aniston laughed, "That was really bad."

Check out Aniston's failed prank below!