Georganne LaPiere Bartylak is an American actress and half sister of Cher. Her movie career spans from 1974 to 1996. She was once married to actor Michael Madsen. Her most famous role was Bobbie in a 1984 comedy film Protocol with Goldie Hawn in the main role. She is also well-known as the first actress cast in the pivotal role of the villainous Heather Webber on the daytime soap, General Hospital.