Prince George and Princess Charlotte arrive to meet their baby brother: All the photos

Prince William and Kate welcomed their third child on Monday, April 23 at the Lindo Wing at St Mary's Hospital, where they previously welcomed Prince George and Princess Charlotte. Born at 11:01 am (London time) and weighing in at 8 lbs 7 oz, the little bundle is the Duchess's largest yet. Excitement soared as William hopped into his Range Rover to go grab his children, promising to be back in a minute. And the little royals did NOT disappoint! Princess Charlotte and Prince George stole the show on their arrival, he in his school uniform and she in a sweet blue floral dress and navy sweater. Click through to see all the adorable photos of big brother Prince George and big sister Princess Charlotte at the Lindo Wing...

Proud dad Prince William arrived at the Lindo Wing in a Range Rover, where he first unstrapped Prince George from his car seat before going around to get Princess Charlotte. While the four-year-old played it cool, his two-year-old sister gave the crowds a big wave!
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Prince William and the kids made their big debut outside the Lindo Wing and looked adorable coordinated with dad in blue outfits. George was wearing his school uniform, while Charlotte was clad in a sweet blue floral dress and navy sweater.
Photo: © Getty Images

George may already be a big brother, but this is Charlotte's first go as a big sister! She's clearly tickled to meet her little brother, who was born at 11:01 AM (British time) weight in at 8 lbs 7 ounces.
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Crowds of royal watchers snapped photos of the Cambridge family as they arrived at St Mary's hospital.
Photo: © Getty Images