Sigourney Weaver has signed on to co-star in the vampire romantic-horror-comedy Vamps.  Directed by Amy Heckerling (Clueless), the, “modern-day story focuses on beautiful young vampires (Alicia Silverstone and Krysten Ritter) who are living the good nightlife in New York until love enters the picture and each has to make a choice that will jeopardize their immortality.”

Weaver will play “Ciccerus, the bloodthirsty vampire who turned the two ladies into creatures of the night.”

Source