LONDON (AP) Britain's newborn princess has been named Charlotte Elizabeth Diana.

The princess is the second child of Prince William and his wife Kate, the Duchess of Cambridge. The baby will be known as Her Royal Highness Princess Charlotte of Cambridge, royal officials said Monday.

Charlotte, the feminine form of Charles, appears to be a nod to the newborn's grandfather, Prince Charles. The middle names honor Queen Elizabeth II, the infant's 89-year-old great-grandmother, and the late Princess Diana, William's mother.

The princess is fourth in line to the throne after Charles, William and her older brother Prince George.

William and Kate introduced the baby princess to the world Saturday evening, just 12 hours after Kate checked into a London hospital to give birth. The baby weighed in at 8 pounds, 3 ounces (3.7 kilograms).

The couple had kept the world guessing about the name until after both sets of grandparents got a chance to visit Kensington Palace on Sunday to meet their granddaughter.

Bookmakers had taken huge amounts of bets on the name, and Charlotte had been a favorite choice, a front runner alongside other guesses like Alice and Victoria.

Earlier Monday, bells at Westminster Abbey pealed and gun salutes were fired across London in honor of the newborn princess. Dozens of deafening volleys were fired from Hyde Park and the Tower of London.