Alyson Lee Hannigan is an American actress famous for playing a part in the popular TV show Buffy the Vampire Slayer. She also appeared in the American Pie film series. This new paparazzi celeb sex tape of Alyson Hannigan is now available online. It sure looks like her to us. The video is very clear so you can make up your mind once and for all. Is it her or is it Luna Lane as Alyson claims?