The Duke and Duchess of Cambridge emerged onto the steps of the Lindo Wing to introduce their baby to the public at London’s St. Mary's Hospital. /VCG Photo

The newborn, also the couple’s third child, weighs 8lbs 7oz (3.8 kilograms) born at 11a.m. local time at the hospital, according to Kensington Palace. /VCG Photo

The unnamed boy is Queen Elizabeth's sixth great-grandchild and fifth in line to the British throne, after his grandfather Prince Charles, father Prince William and two siblings Prince George and Princess Charlotte. /VCG Photo

The royal baby who was shown off to public has left one more question to the world: What will he be called? The palace said the name of the boy will be announced in due course. /VCG Photo