The Duke and Duchess of Cambridge have announced the name of the new royal baby:
Louis Arthur Charles.
The boy will be known as His Royal Highness Prince Louis of Cambridge.
The Duke and Duchess of Cambridge are delighted to announce that they have named their son Louis Arthur Charles.— Kensington Palace (@KensingtonRoyal) April 27, 2018
The baby will be known as His Royal Highness Prince Louis of Cambridge. pic.twitter.com/4DUwsLv5JQ
Prince Louis was born April 16.
"The Queen, The Duke of Edinburgh, The Prince of Wales, The Duchess of Cornwall, Prince Harry and members of both families have been informed and are delighted with the news," Kensington Palace said in a statement on Twitter.