Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge, pose for photographers with their newborn baby boy Prince Louis of Cambridge outside the Lindo Wing of St Mary's Hospital on April 23, 2018 in London, England.
Princess Charlotte was christened Charlotte Elizabeth Diana on July 5, 2015 by The Archbishop of Canterbury the Most Reverend Justin Welby at the Church of St Mary Magdalene in Sandringham.
Prince Louis' older siblings Prince George and Princess Charlotte.
Britain's royal palace says Prince Louis will be christened July 9 by Archbishop of Canterbury Justin Welby.
The family event is sure to make for some memorable moments, especially with his older siblings Prince George and Princess Charlotte, who regularly steal the show with their cuteness. "His big sister, Lady Louise Windsor, had been the last royal to wear the original gown", the site notes.
Kate worked right up until she was eight moths pregnant with Prince George, returning to work just five weeks after giving birth.
He was on his best behaviour, blowing bubbles beforehand and being quiet and peaceful afterwards.
Jessica Bridge of Ladbrokes told the Express: 'As with George and Charlotte, the Duke and Duchess chose close and trusted friends and aides, rather than immediate family members, and the odds suggest that will be the same with little Prince Louis'.
The Queen, Prince Charles and the Duchess of Cornwall are set to attend.
Since his birth on April 23, young Prince Louis of Cambridge has stayed mostly (and understandably) out of the spotlight.