Rebecca Gayheart With Her Daughter Billie At The ParkBy Annemarie LeBlancOn Feb 10, 2011ShareFacebookTwitterPinterestActress Rebecca Gayheart, 39, playing at the park with her adorable daughter Billie Beatrice who will celebrate her 1st birthday next month. Rebecca is married to Eric Dane who plays Dr. “McSteamy” on Grey’s Anatomy, and Billie is their first child.