Katy Perry finally reacts on rumors involving her and 'Twilight' star Robert Pattinson who is romantically linked to Kristen Stewart. Buzzes involving Robert and Katy started to circulate on the internet when they attended a private party. Thru her official Twitter account, Katy Perry denied the reports. Katy said: "Read a bunch of yesterday's news. People should know by now that I don't do vampires." Nice one Katy Perry!

In related news, multiple news sources are reporting that rumored dating couple Robert Pattinson and Kristen Stewart enjoyed a private dinner date! Marie Claire posted a report, claiming that Robert and Kristen spent a night at Venice Beach last Wednesday, with dinner and dancing on the menu. The report added that Robert Pattinson and Kristen Stewart dressed down in casual clothes. But E Online's source is like dispelling the dating rumors. The onlooker revealed: "They 'seemed really just into hanging together." Photo: Fame Pictures

Robert Pattinson: "Do you 'do vampires'?"

Kristen Stewart: "Naaah! Shooo!"