Christina Applegate and Martyn Lenoble

It's a girl for Christina Applegate.

The actress — a breast cancer survivor who's starred in Married ... With Children, Jesse and Samantha Who? — and her fiancé, musician Martyn LeNoble, welcomed daughter Sadie Grace on Thursday in Los Angeles, her rep tells TVGuide.com.

Christina Applegate pregnant

"Mother and daughter are doing great," a statement read.

Sadie is the first child for Applegate, 39, and LeNoble, 41, who got engaged last Valentine's Day after dating for two years.