Kristen Stewart is auctioning off her gown for a good cause. The Twilight beauty announced that her Zuhair Murad getup worn to the Los Angeles premiere of Breaking Dawn- Part II is now for sale in an effort to raise money for Hurricane Sandy relief.

The donation(s) will go to the Robin Hood Foundation, and in addition to getting the gown off of the 22-year-old starlet's back, it'll also be autographed.

So far on Charity Buzz, the bidding is up to $1,750.

RELATED: KStew's Style Anatomy

Stewart recently commented on her 2012 style to Refinery 29, saying of her looks, "I liked everything I wore this year … I think. I don't want to offend any of the dresses."