Alyson Hannigan Photos Overview Biography Filmography Photos Alyson Hannigan as Michelle Flaherty in "American Reunion." Alyson Hannigan at the CBS Summer "Stars Party 2007". Alyson Hannigan at the LORAC/miss davenporte Showstopper Launch party. Alyson Hannigan at the CBS Summer "Stars Party 2007". Alyson Hannigan at the premiere party for "How I Met Your Mother". Alyson Hannigan at the CBS 2006 Summer TCA Party. Alyson Hannigan at the Elle's 14th Annual Women in Hollywood party. Alyson Hannigan at the Elle's 14th Annual Women in Hollywood party. Alyson Hannigan at the CBS celebration of Monday night season premieres. Alyson Hannigan at the LORAC/miss davenporte Showstopper Launch party. Alyson Hannigan at the CBS celebration of Monday night season premieres. Alyson Hannigan at the 49th Annual Grammy Awards. Alyson Hannigan at the Oceana's 2006 Partners Award Gala. Alyson Hannigan and husband/actor Alexis Denisof at the 49th Annual Grammy Awards. Alyson Hannigan at the decadestwo grand re-opening celebration. Alyson Hannigan at the decadestwo grand re-opening celebration. Alyson Hannigan at the 33rd Annual People's Choice Awards nominations. Alyson Hannigan at the premiere party for "How I Met Your Mother". Alyson Hannigan and Neil Patrick Harris at the 33rd Annual People's Choice Awards nominations. Alyson Hannigan at the Oceana's 2006 Partners Award Gala. Alyson Hannigan at the 33rd Annual People's Choice Awards nominations. Alyson Hannigan at the California premiere of "American Reunion." Alyson Hannigan at the California premiere of "American Reunion." Replay Slideshow Previous slide Next slide Thumbnails Play 1 of 23 Advertisement Maximize Share Share on Facebook Share on Twitter Share on Google+ Share on Tumblr Share on Pinterest Share by Email