Alyson Hannigan

The US Trends | Alyson Hannigan | Alyson Hannigan is an American actress.She is known for her roles asWillowRosenberg in the cult classic television seriesBuffy theVampire Slayer,MichelleFlaherty in 3AmericanPie films,and LilyAldrin on the CBSsitcom How IMetYourMother. Alyson Hannigan, born Alyson Lee Hannigan onMarch 24,1974 in Washington,D.C.She is the only child of EmiliePosner,a