The Duke and Duchess of Cambridge have formally registered the birth of their son Prince George - giving their occupations as Prince and Princess of the United Kingdom.
William signed the birth register entry for the third-in-line to the throne at Kensington Palace this morning.
While most new parents have to travel to a register office to formally register the birth of their child, a Westminster City Council registrar travelled to Kensington Palace for William to carry out the task.
More top news
Scientists are researching a blood test which can quickly detect colon, lung, breast, stomach and endometrial cancer.
Transport bosses are said to be in "active discussions" with the company to encourage it to extend its pilot scheme to the UK's capital.
Reports suggest the 67-year-old is expected to be named as one of the hosts of the new series within days.