Katherine Marie Heigl was born on Nov 24, 1978 in Washington D.C.
Katherine began her acting career in 1992 in the movie That Night. She co-starred with Steven Segal in the movie Under Seige 2: Dark Territory in 1995. After several more movies she was cast as Isabel Evans in the TV classic Roswell from 1999 to 2002. She then had many roles in TV and big screen movies until she landed the character Izzie Stevens on Grey's Anatomy from 2005 to 2010. Along the way she also starred in movies Knocked Up, 27 Dresses and The Ugly Truth. She has two movies coming out this year, Killers and Life As We Know It.