Julia Roberts may be taking the Evil Queen act a bit too far.

The Mirror Mirror actress, 44, opened up on The Ellen DeGeneres Show Friday about how she entertains herself at home: by startling her kids with husband Daniel Moder, twins Hazel and Phinnaeus, 7, and Henry, 4.

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"If I hear them coming, and they don't know where I am in the house, I crouch down in their private space. They come in [to the room] and I just jump out," Roberts explained.

The best part? "Little people can catch air...they just vault!" the Eat, Pray, Love star shared.

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"Of course that's going to keep you doing it," host DeGeneres joked. "If you can see them fly in the air like that."

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But as much fun as she has causing trouble on the homefront, Roberts admitted her activity of choice may have gotten a little out of hand lately. "I realized I was getting too much joy out of it, so I had to tone it down," the star told DeGeneres. "It's so wrong!"

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