Sammi Sweetheart at the 2010 MTV Video Music Awards (PHOTOS)

Jersey Shore’s Sammi ‘Sweetheart’ Giancola went Hollywood at the 2010 MTV VMAs Sunday in Los Angeles, trading her trademark sweatpants for a lace-and-sequin minidress.  A smiling Sammi even stepped out with on-and-off love and fellow Shore party animal Ronnie Magro on the white carpet.

Click here for more shots of Sammi Sweetheart’s big night out and let us know in the poll below – do you give her dress a yay or a nay? Don’t forget to check out Celebuzz’s complete VMA coverage here.