Katherine Heigl

Katherine Marie Heigl born November 24, 1978) is an American actress and producer. She is known for her role as Dr. Izzie Stevens on ABC's Grey's Anatomy and her starring role in the movies Knocked Up, 27 Dresses, and The Ugly Truth.Heigl started her career as a child model with Wilhelmina Models before she turned her attention to acting. She made her debut in the coming-of-age film That Night.