Prince Louis, the third child of Britain's Prince William and wife Kate, has been christened at a small, private ceremony overseen by close family but without his great-grandmother Queen Elizabeth.
Harry and Meghan are scheduled to attend a summer garden party Tuesday night at Glencairn House, the British ambassador's residence. Later that afternoon, they jetted off on a plane to Dublin for a two-day tour of Ireland - their first overseas engagement as a married couple.
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However, the 92-year-old queen and her husband Prince Philip were not among the guests.
The gesture comes nearly two months after the princess gave a little wave to the world on the steps of St George's Chapel at the royal wedding in May.
At the christening of William's children, there has usually been a poignant nod to the duke's late mother Diana, Princess of Wales, who was killed in a vehicle crash in 1997.
The Duke and Duchess of Sussex - Prince Harry and Meghan Markle - were also present at the ceremony.
Accompanying the duchess was Prince William, who held Princess Charlotte and Prince George by the hand. For her daughter Charlotte's christening on July 5, 2015, Kate wore a lovely white coat by Alexander McQueen and a white fascinator by Jane Taylor - a similar look by the same designers.
"I'm delighted and privileged to be christening Prince Louis today - a precious child made in God's image, just as we all are".