Kelly Osbourne and Fiance Matthew Mosshart Celebrate Halloween Early

Kelly Osbourne and fiancé Matthew Mosshart in LA on October 19, 2013.
Kelly Osbourne, dressed as Dame Edna Everage, with fiancé Matthew Mosshart, dressed as Blossom from the hit 90's TV show, stayed in character the entire evening at MAC Cosmetics and Rick Baker's Monster Mash in LA on October 19, 2013. Charley Gallay/Getty Images