Victoria Beckham gave birth to her fourth child with David in LA on Sunday and the couple have since released a statement about their new arrival. David wrote on his official Facebook page: "I am so proud and excited to announce the birth of our daughter Harper Seven Beckham. She weighed a healthy 7 lbs. 10 oz. and arrived at 7:55 this morning, here in LA. Victoria is doing really well and her brothers are delighted to have a baby sister xx."