Kids react to royal baby name announcement
The Duke and Duchess of Cambridge have revealed that their new baby boy is called Louis Arthur Charles.
Kate Middleton gave birth to a baby brother for Prince George and Princess Charlotte at 11:01am on Monday 23 April, but we did not know what he was called until Friday.
Little Louis is fifth in line to the throne - behind Prince Charles, Prince William, Prince George and Princess Charlotte - and is now the Queen's sixth great-grandchild.
Newsround viewers Malika, Julia G, Noah, Paula, Julia N, Claudia and Carlos from Spanish island Gran Canaria sent us their reaction to the new royal baby name.