Alyson Lee Hannigan (born Mairch 24, 1974) is an American actress. She is best kent for her roles as Willow Rosenberg in the telly series Buffy the Vampire Slayer (1997–2003), Lily Aldrin on the CBS sitcom How I Met Your Mother (2005–2014) an Michelle Flaherty in the American Pie film series (1999–2012).
Hannigan at the Phoenix Comicon, Mey 2015
|Born||Alyson Lee Hannigan|
24 Mairch 1974
Washington, D.C., U.S.
|Alma mater||California State Varsity, Northridge|
|Hauf-marrae(s)||Alexis Denisof (m. 2003)|