I got a question for you: Alyson Lee Hannigan (born March 24, 1974) is an American actress. She is best known for her roles as Willow Rosenberg on the television series Buffy the Vampire Slayer (1997 -- 2003), Lily Aldrin on the sitcom How I Met Your Mother (2005 -- 2014), and Michelle Flaherty in the American Pie film series (1999 -- 2012).\n\nAnswer this question based on the passage: who played lily in how i met your mother?
Let's think first:
User
To answer the above question, the relevant sentence is: She is best known for her roles as Willow Rosenberg on the television series Buffy the Vampire Slayer (1997 -- 2003), Lily Aldrin on the sitcom How I Met Your Mother (2005 -- 2014), and Michelle Flaherty in the American Pie film series (1999 -- 2012).
Therefore, the answer is Alyson Lee Hannigan.
Assistant