The Queen made the short journey from Buckingham Palace to visit the Duke and Duchess of Cambridge after the birth of their son yesterday. The visit comes before she heads to Balmoral in Scotland for her traditional summer break on Friday.
Dressed in a turquoise floral outfit, the Queen looked relaxed as she left Kensington Palace after spending just over half an hour with the Duke and Duchess of Cambridge's first child.
She had travelled to see William and Kate and their baby without the Duke of Edinburgh who is still convalescing at Windsor Castle following exploratory abdominal surgery last month.
The Queen arrived at Kensington Palace today to visit the Duke and Duchess of Cambridge and their new son.
The new Prince of Cambridge was introduced to the world today.
The Duchess held her son first and the couple looked relaxed and smiled broadly as the world's media captured the moment.
The Royal baby's fingers clasped and unclasped in what looked almost like his first royal wave.
Speaking outside the hospital, William and Kate said they felt "very emotional".
More than 18,000 people a minute tweeted about the royal baby as he made his first public appearance this evening, Twitter said.
The figure was short of peak of 25,300 tweets per minute which mentioned the baby last night after the birth was announced.
The easel which held the announcement of the birth of the Duke and Duchess of Cambridge's first child has been removed from the forecourt of Buckingham Palace.
ITV News understands there will be no announcement of a name for the royal baby when he leaves St Mary's Hospital today.
The Duke of Cambridge waved to the cheering crowds as he drove his wife, the Duchess of Cambridge, and their new-born son to Kensington Palace.