<p><br /> Kristen Stewart's character in The Twilight Saga movies, Bella Swan, is to become a vampire, and the actress is already scaring people on set.<br /> </p><p><br /> Breaking Dawn is the final instalment of the supernatural films, and will see Bella get her wish to become a blood sucker.<br /> </p><p><br /> Stewart is rumoured to be loving the new dimension to her character, and apparently makes such a convincing vampire that she has been frightening her co-stars.<br /> </p><p><br /> Elizabeth Reaser, who plays Esme Cullen, has found filming with Stewart unnerving. The actress said: "She scared me a little bit. I'll be honest with you."<br /> </p><p><br /> Stewart's boyfriend and co-star, Robert Pattinson, seemed excited by her new role: "It's like a completely different environment on set when she's a vampire and when she's not. I think she's going to do it really well."<br /> </p><p><br /> Breaking Dawn is set to be released in two parts, with the first film due later this year on November 18.<br /> </p><p><br /> Fans will have to wait a whole year for the second movie, as it is not expected until November 16, 2012.<br /> </p>
