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Vanessa Hudgens - Knott's Scary Farm Black Carpet
ET was with the Vanessa Hudgens as she dressed up as a scary witch to frighten unsuspecting guests at Knott's Scary Farm, but the best reactions actually happened after she took off her mask.

PIC: Vanessa Hudgens' Drastic New 'Do

"I'm really feeling the crinkles," said one young female guest, only slightly startled by Hudgens' getup.

"I don't really have crinkles," Hudgens said before slowly removing her mask.

Hudgens is just one of many stars who will take turns at freaking out fans at Knott's Scary Farm until November 1.

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