After starting out as a child actor, Alyson Hannigan got her big break when she landed the role of teenage witch Willow Rosenberg in ‘Buffy the Vampire Slayer’.
Soon after this came ‘American Pie’, and ‘that’ memorable line about her time at band camp. Following this success, she transitioned into a lead role in one of the most significant sitcoms of the 2000s and 2010s in ‘How I Met Your Mother’.
Click below to see 10 unusual, surprising and interesting facts about Alyson Hannigan.