Katherine Marie Heigl (born 24 November 1978) is an American actress. She is best known for her Emmy Award winning role in Grey's Anatomy and her appearance in blockbuster Knocked Up.
Heigl started her career as a child model with Wilhelmina Models before she turned her focus to acting. She made her debut in the coming-of-age film, That Night. Heigl appeared in the TV series Roswell and movies including My Father the Hero before landing her break out role in Grey's Anatomy. Over the years, Heigl has established herself as a sex symbol and cover model appearing on numerous publications including Maxim, Vanity Fair and Cosmopolitan.
Heigl is married to Josh Kelley who she married in a lavish ceremony in Park City, Utah on December 3, 2007.