Katherine Marie Heigl is best known for her role as Dr. Izzie Stevens on ABC’s Grey’s Anatomy is an American actress and producer. She has also starred in films such as Knocked Up, Zyzzyx Road, 27 Dresses, The Ugly Truth,Killers, and Life As We Know It.
She started her career as a child model with Wilhelmina Models before she turned her attention to acting. She has established herself as a cover model appearing on numerous publications including Maxim, Vanity Fair and Cosmopolitan.
She turns 33 today, November 24.
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