Julia Roberts: Snow White Scare on 'Ellen'!

Julia Roberts screams her lungs out as a Snow White costumed gentleman surprises her on The Ellen DeGeneres Show, which airs today!

After the frightening on-camera event, the 44-year-old Mirror Mirror actress discussed how she enjoys scaring her own kids!

PHOTOS: Check out the latest pics of Julia Roberts

“I realized I was getting too much joy out of it so I’ve had to tone it down…Just like if I hear them coming and they don’t know where I am in the house. I crouch down in there private space and they come in and just jump out. Little people can just catch air. They just vault,” Julia said. “It’s so wrong…”

FYI: Julia is wearing Gio Diev heels!

Bigger picture inside…