The former Gavin & Stacey actress announced on Twitter on Thursday (15Dec16) that she had given birth to a boy on Tuesday (13Dec16).

The 38-year-old tweeted, "Our beautiful baby boy Noah Wilder Russell was born Tues the 13th at 8:51am, weighing 7pounds 3. Welcome to our gang Noah! We love you xxx"

Her husband, former Emmerdale actor James Thornton, also shared the news, writing, "Christmas has come early for us! Baby number 3 is here! Our beautiful baby Noah arrived Tues 13th 8.51am 7lbs3. He is amazing."

The couple, who married in 2003, are already parents to a three-year-old daughter Eva and son Kit, who was born in April, 2015.