Kate Middleton, Prince William welcome third child — a boy

Royal baby: Kate Middleton, Prince William leave hospital with new baby boy
Kate Middleton and Prince William left the Lindo Wing of St. Mary's Hospital on Monday with their newborn son to cheers and applause.

The royal baby is here!

Kate Middleton and Prince William welcomed their third baby, a boy, on Monday, officials at Kensington Palace confirmed, weighing in at eight pounds, seven ounces. He is fifth in line to the throne, and the sixth great-grandchild of 92-year-old Queen Elizabeth.

WATCH BELOW: Royal baby celebrated with cheers and singing

Royal baby celebrated with cheers and singing
Royal baby celebrated with cheers and singing

He was delivered at St. Mary’s Hospital in London, where his siblings Prince George and Princess Charlotte were delivered in 2013 and 2015, respectively. Both William and Prince Harry were also born there.

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It’ll likely be a few days before his parents Kate, 36, and William, 35, reveal the name they’ve chosen for their baby.

British bookmaker William Hill has Arthur as the most likely name for the Royal baby with 12-1 odds.

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Kensington Palace says the child was born at 11:01 a.m. GMT (6:01 a.m. EST), a few hours after Middleton was admitted to the hospital in labour.

William was present for the birth of his son.

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The palace says “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.”

With files from Kevin Nielsen and The Associated Press