News See all the sweet photos of Prince William and Kate's new royal baby Prince George and Princess Charlotte also made appearances to meet their new little brother By Jessica Derschowitz Jessica Derschowitz Jessica Derschowitz is EW's Digital Features Director. She's based in New York City and you can follow her on Twitter @jessicasara for lots of thoughts on movies, TV, Broadway, running, and other things she likes. EW's editorial guidelines Published on April 23, 2018 03:02PM EDT Trending Videos Close this video player 01 of 20 Oh (royal) baby! Tim Rooke/Shutterstock Royal baby No. 3 has officially arrived! Prince William and Kate, the Duke and Duchess of Cambridge, welcomed their third child on Monday in London. The baby, a boy, joins the couple’s two other children, Prince George and Princess Charlotte, and sits behind them as fifth in line for the British throne. Just hours after his birth, the proud parents showed the baby boy off to the world before returning home to Kensington Palace. (Next up: Waiting to hear what his name will be!) Keep clicking for more photos of the newest royal baby (and glimpses of George and Charlotte coming to meet him). 02 of 20 Catherine, Duchess of Cambridge, and her third child Chris Jackson/Getty Images 03 of 20 Prince William, Kate, and their new baby Mike Marsland/ WireImage 04 of 20 Kate, Duchess of Cambridge, and her third child Chris Jackson/Getty Images 05 of 20 Royal baby No. 3 Karwai Tang/WireImage Look at that face! 06 of 20 Prince William, Kate, and their new baby Jack Taylor/Getty Images 07 of 20 A closer look at the new baby John Stillwell - WPA Pool/Getty Images 08 of 20 Prince William, Kate, and their new baby Gareth Cattermole/Getty Images 09 of 20 Prince William, Kate, and their new baby Tim Rooke/Shutterstock 10 of 20 Prince William, Kate, and their new baby Samir Hussein/WireImage 11 of 20 Prince William, Kate, and their new baby Gareth Cattermole/Getty Images 12 of 20 Prince William, Kate, and their new baby Mike Marsland/ WireImage 13 of 20 Prince William, Kate, and their new baby Karwai Tang/WireImage 14 of 20 Prince William Jack Taylor/Getty Images 15 of 20 Prince George, Prince William, and Princess Charlotte Mike Marsland/ WireImage 16 of 20 Prince George, Prince William, and Princess Charlotte Karwai Tang/WireImage 17 of 20 Prince George, Prince William, and Princess Charlotte Mike Marsland/ WireImage 18 of 20 Princess Charlotte, Prince William, and Prince George Chris Jackson/Getty Images 19 of 20 Princess Charlotte Karwai Tang/WireImage 20 of 20 The official birth announcement at Buckingham Palace STEFAN ROUSSEAU/AFP/Getty Images