The registrar who signed Princess Charlotte's birth certificate has said it was an "honour" to be able to officially register the arrival of the newest member of the royal family.
The Duke and Duchess of Cambridge have formally registered the birth of Princess Charlotte http://t.co/nY2hUxaEKi
Kensington Palace revealed earlier today that the registration had taken place, with Prince William signing the certificate.
It was an honour to register the birth of Princess Charlotte Elizabeth Diana. Westminster City Council has a long history of registering royal births, including Prince George, and it's a pleasure to formally welcome the latest addition to the family.
She has also presided over several celebrity marriages including those of Sylvester Stallone, Joan Collins, Barbara Windsor and David Walliams.
The Queen has left Kensington Palace after meeting her newborn great-granddaughter, Princess Charlotte, for the first time.
Dressed in a lilac ensemble, the Queen arrived this afternoon to meet the newest member of the royal family.
Charlotte's grandparents - including Prince Charles and the Duchess of Cornwall, as well as Kate's parents Michael and Carole Middleton - have already visited the baby princess.
She was born on Saturday morning, weighing 8lbs 3oz.
The Duke and Duchess of Cambridge have formally registered the birth of Princess Charlotte.
The Duke of Cambridge signed the birth register at Kensington Palace this afternoon witnessed by a Registrar from Westminster Register Office.
The Queen has arrived at Kensington Palace to meet her great-granddaughter Princess Charlotte.
The Queen is due back in London on Tuesday and it is thought she will meet her new great-granddaughter for the first time.
Princess Charlotte Elizabeth Diana was born on Saturday but the Queen has been in Yorkshire on royal duties.
The latest addition to the royal family is the monarch's fifth great-grandchild.
In the next few days William and Kate are expected to head to Sandringham where they will spend time as a family for the first few weeks of Charlotte's life.
Bookies have had to pay out an estimated £1 million following the announcement the Duke and Duchess of Cambridge have named their second child Charlotte Elizabeth Diana.
Ladbrokes said Charlotte was the most popular bet since the princess was born - with three times as many wagers placed as other favourites Alice, Diana and Olivia.
Jessica Bridge, of Ladbrokes, said: "Charlotte was the hot tip over the weekend and royal watchers up and down the land are quids in.
"We may have lost a fortune but we're paying out with a smile and wish the Duke and Duchess all the best."
Coral called it "one of the most costliest results in royal betting history."
A woman from Barnes, south west London, is due to pick up £1,400 was the biggest winner at William Hill. She put £400 down at 5-2 that the baby would be called Charlotte.
Naming the royal baby Charlotte Elizabeth Diana will be seen as a tribute to the Duke of Cambridge's father, mother and grandfather.Read the full story ›
The Duke and Duchess of Cambridge have named their daughter Charlotte Elizabeth Diana.
She will be known as HRH Princess Charlotte of Cambridge, Kensington Palace have announced.
The name Charlotte had been a favourite with the bookies during the week but in the last few days had been pushed into second place by Alice.
But betting firms have said they would face a huge payout if any of the heavily backed top five names were chosen by the Cambridges.
Video shows a 62-gun salute at the Tower of London marking the birth of the Duke and Duchess of Cambridge's second child and new daughter.
Royal gun salutes have been fired to celebrate the birth of the Duke and Duchess of Cambridge's baby princess.
The Honourable Artillery Company completed a 62-gun salute at the Tower of London - an extra 21 for the City of London - while the King's Troop Royal Horse Artillery silmultaneously fired 41 volleys in Hyde Park at 2pm.
Just before the King's Troop began the Royal Artillery Band played the Stevie Wonder hit 'Isn't She Lovely'.
The bells of Westminster Abbey also rang out at exactly 2pm to mark the royal birth.