Katherine Marie Heigl (born November 24, 1978) is an American actress. She is best known for her role as Dr. Izzie Stevens on Grey's Anatomy and her starring role in the movies Knocked Up, 27 Dresses, and The Ugly Truth.
Eva Gaëlle Green (born 5 July 1980) is a French actress, raised in Paris and living partly in London. She has been noted by Vogue for her "killer looks, intelligence and modesty", and described by The Independent as "gothic, quirky, and sexy".
Carrie Marie Underwood (born March 10, 1983) is an American country singer-songwriter who rose to fame as the winner of the fourth season of American Idol.