.The christening of Prince Louis of Cambridge takes place today at the Chapel Royal St James's Palace.
The infant, who was born on St George's Day, will be baptised in the names Louis Arthur Charles by the Archbishop of Canterbury, the Most Rev Justin Welby.
Senior members of the Royal Family will be present at the ceremony, including the Prince of Wales and Duchess of Cornwall, the Duke and Duchess of Sussex, but not the Queen & Duke of Edinburgh.
The Duchess of Cambridge's parents, Mr & Mrs Michael Middleton, and her brother James will be present.
Traditionally royal children are baptized with water taken from the River Jordan. Louis will wear a replica of the gown worn by royal children since the early days of Queen Victoria's reign.
Prince Louis will have six godparents, usually referred to as sponsors:-
Nicholas van Cutsem, a great friend of the Duke and Duchess of Cambridge. Nicholas is a godson of the Duchess of Kent. He married Alice Hadden-Paton, sister of Harry, the Versailles and Downton Abbey actor. Their daughter Florence van Cutsem was one of Meghan Markle's bridesmaids.
Mr Guy Pelly, another friend of the royal couple. William, Harry, with Princesses Beatrice & Eugenie attended his wedding in 2014 to Tennessee-born Lizzie Wilson.
Harry Aubrey-Fletcher (born 1982), scion of the Aubrey-Fletcher baronets. The Duke of Cambridge and the then Catherine Middleton attended his wedding in 2011 to the Hon Sarah Louise Stourton, daughter of Lord Mowbray, Segrave & Stourton.
Lady Laura Meade (born 1984), daughter of the Earl of Romney. Prince William and Prince Harry were present at her wedding in 2014 to James Meade, a friend of the princes, son of the equestrian Richard Meade.
Mrs Robert Carter (nee Hannah Gillingham) school friend of the Duchess of Cambridge. Her sister-in-law, Sophie Carter, is one of Princess Charlotte's godparents. The Duke and Duchess of Cambridge attended Hannah's wedding to Robert Carter in 2012.
Lucy Middleton, cousin of the Duchess of Cambridge.