Katherine Heigl, 35
Katherine Heigl turned 35 today. She got her start in a national commercial for Cheerios cereal. However, she rose to fame for her role in Grey's Anatomy as Dr. Isobel ""Izzie" Stevens, and won a Primetime Emmy for Best Supporting Actress in a Drama Series in 2007. Heigl has appeared in the films Knocked Up, 27 Dresses, Life As We Know It and The Ugly Truth.
Heigl is married to Josh Kelley, and have adopted two daughters. She is currently working on a new CIA television drama that has been picked up by NBC.
Sarah Hyland, 23
Sarah Hyland turned 23 today. She made her first big screen debut as Howard Stern's daughter in the film Private Parts. She attended the Professional Performing Arts School in Manhattan, and has appeared in the 1999 remake of Annie, NBC's Lipstick Jungle, and the Disney Channel movie Geek Charming. Hyland opened up about her struggle with Kidney Dysplasia, and the kidney that was given to her by her father in 2012.
Hyland can be seen on ABC's Modern Family as Haley Dunphy.