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Royal baby No. 3: Kate and William name son Louis Arthur Charles

Photos Logo Photos | Slide 1 of 22: The Duke and Duchess of Cambridge and their newborn son outside the Lindo Wing at St Mary's Hospital in Paddington, London.

Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge, welcomed their third child, a baby boy, on April 23, 2018, at Lindo Wing at St. Mary’s Hospital in London, England. They named the baby Louis Arthur Charles. Kate and William are also parents to Prince George of Cambridge and Princess Charlotte of Cambridge.

Read on to see the new prince and supporters celebrating the birth. 

© Dominic Lipinski/PA Wire/PA Images
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