Prince William and Kate have marked Valentine’s Day with a candid romantic picture and their simple caption says all you need to know. The Royal Family will never fully step away from official, posed photos but the Prince and Princess of Wales in particular have favoured a more informal approach to pictures - especially in recent years.

The Prince and Princess of Wales have publicly marked Valentine's Day on Friday, in what is believed to be a royal first for the couple. The pair shared a sweet photograph of Prince William kissing his wife,