LONDON -- Soldiers on horseback have rode out in procession in London to fire gun salutes in honour of Britain's newborn princess.

Dozens of deafening volleys were fired Monday from Hyde Park and the Tower of London to celebrate the birth of Prince William and the Duchess of Cambridge's second child. The name of the princess, born Saturday, has not yet been revealed.

The couple waited two days to name their first child, Prince George, in 2013. They may now be waiting until they tell the queen, or until the monarch has met her fifth great-grandchild, before revealing the name to the public.

Bookmakers have taken huge amounts of bets on the name, with Alice, Charlotte, Elizabeth, Victoria, Olivia and Diana among the most popular guesses.