Actress Christina Applegate, 39, and her fiancé Martyn LeNoble, 41, welcomed their first child last Thursday.

"Actress Christina Applegate and fiancé, musician Martyn LeNoble, welcomed daughter Sadie Grace LeNoble on Thursday, Jan. 27, 2011, in Los Angeles. Mother and daughter are doing great." told Applegate's representative in a statement.

A source close from the happy parents added: "She's a beautiful little girl, and they are so happy and in love with her."

The couple has been dating for nearly 3 years before getting engaged last Valentine's Day.

Married with children? You're almost there Christina!