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Alyson Hannigan

Also known as: Allison Lee Hannigan

Personal

Born: March 24, 1974

Birthplace: Washington, D.C., United States

Years active: 1986-present

Nationality: American

Ethnicity: Caucasian

Professions: Actress, Influencer, Producer

Body

Hair color: Red

Eye color: Green

Height: 5'5" (or 165 cm)

Weight: 114 lbs (or 52 kg)

Measurements: 32-23-33

Bra/cup size: 32B

About Alyson Hannigan

Alyson Hannigan is a talented actress hailing from the United States. Throughout her career, she has collaborated with various platforms, including Mr. Skin. Currently, Alyson remains active in the entertainment industry, continuing to appear in films, participate in live performances, and engage in photo shoots. She is particularly recognized for her notable portrayals, which include Lily Aldrin on the CBS sitcom How I Met Your Mother, Willow Rosenberg on the iconic television series Buffy the Vampire Slayer, and Michelle Flaherty in the three American Pie films. As of February 2026, Alyson boasts an impressive following of 2.7 million on Instagram. She is part of a group of actresses from How I Met Your Mother that also includes Cobie Smulders, Cristin Milioti, and Jennifer Morrison.