Christina Applegate Welcomes a Baby Girl

Michael Tran/FilmMagic/Getty Images

"Mother are daughter are doing great," say a rep for the Emmy-nominated actress.

Christina Applegate and her fiance, musician Martyn LeNoble, welcomed a baby girl late last week, her rep has announced.

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

The Emmy-nominated actress and LeNoble have been dating for approximately three years, and became engaged on Valentine's Day 2010.