It's going to be a girl!

Eonline.com reports Eric Dane and Rebecca Gayheart will welcome a baby girl this winter.

See photos of celeb's babies born in 2009

The "Grey's Anatomy" actor, 37, and wife, 38, never officially announced the pregnancy but Gayheart has been photographed numerous times with a growing baby bump.

This will be the first child for Dane and Gayheart, who have been married since Oct. 2004.