LOS ANGELES (Reuters) - Celebrity couple David and Victoria Beckham welcomed a new baby girl into the world on Sunday. They have decided to call their little girl Harper Seven Beckham, adding a daughter to the three sons they already have in their growing family. I am so proud and excited to announce the birth of our daughter Harper Seven Beckham, Beckham posted on his Facebook page. She weighed a healthy 7 pounds 10 ounces 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. The Beckhams have three sons, Brooklyn is 12 years old, Romeo 8 and Cruz 6. A representative for the family said the boys baby sister was born happy and healthy at Los Angeles Cedars-Sinai Medical Centre. David Beckham is the British football superstar who has played on soccer teams in the United States, and Victoria is an equally well-known singing star and fashion designer who was a member of the Spice Girls pop music group.