Richard Branson’s daughter Holly Branson has given birth to twins – a boy and a girl, which were unveiled on her father’s website today. Holly, and husband of three years Fred Andrewes, welcomed daughter Etta and son Artie on December 20^th, sharing the happy news on her dad’s website: "Freddie and I are thrilled to announce the birth of our beautiful twins. One boy, one girl and they are absolutely perfect (but who wouldn’t say that about their kids!)." "Despite being delivered early, all three of us are fit and well and Freddie and I are now enjoying some quality time with our newly formed family. "What's more, the little ones also arrived on mine and Freddie's third wedding anniversary - could there be a better way to mark the occasion? ...Oh and lastly, if you were wondering about names… let us introduce you to Etta and Artie."   The news was accompanied with a series of snaps, showing the young heiress and her husband in festive hats holding the new infants. Richard also shared in his daughter’s excitement, writing: "Delighted to share the happiest of news - Holly and Freddie are now the proud parents of a beautiful baby boy - and a beautiful baby girl! Joan and I, along with Freddie’s parents William and Jill, are the proudest grandparents in the world. "It turned into the most magical day," the proud new grandfather continued. "The twins were born on December 20th – the same date that Joan and I celebrate our wedding anniversary, and Holly and Freddie do too!” Daughter Holly and Fred married on her father’s private Necker Island in December 2011. The early arrivals will soon have company, with Branson’s son Sam and his wife Isabella Calthorpe also expecting their first child together in the next few weeks. Images via Hello! magazine