MEGHAN Markle and Prince Harry today beamed as they introduced their “amazing” baby boy named Archie Harrison Mountbatten-Windsor to the world. The new parents appeared tired but ecstatic as they cradled the newborn, with mum Meghan gushing “I have the best two guys in the world”. And giddy bearded dad Harry, who cradled his son tightly throughout, joked the baby “already has facial hair”. Four hours after footage and images of the family’s first appearance was made public, the new parents revealed their son’s name with a post on their Instagram account. It said: ‘The Duke and Duchess of Sussex are pleased to announce they have named their first born child: Archie Harrison Mountbatten-Windsor. ‘This afternoon Their Royal Highnesses introduced Her Majesty The Queen to her eighth great-grandchild at Windsor Castle.’The Duke of Edinburgh and The Duchess’ mother were also present for this special occasion.’ The Duke and Duchess of Sussex’s low-key announcement at Windsor Castle is in stark contrast to Kate Middleton and Prince William’s baby reveals that saw hundreds of photographers snap pictures of each their three children hours after they were born. While helicopters flew over the Lindo Wing and the nation’s gaze was trained on the…