New Delhi, May 2 -- A new portrait of Princess Charlotte has been released by the Prince and Princess of Wales to mark their daughter's 11th birthday, offering royal watchers a fresh glimpse of the young royal as she reaches another milestone year.

The photograph, shared on official social media accounts on Saturday, shows Princess Charlotte smiling in a field of flowers during what is understood to have been a recent family holiday in Cornwall.

Alongside the portrait, Prince William and Catherine posted the message: "Wishing Charlotte a very happy 11th birthday! (sic)"

Later in the day, the royal couple shared a short video clip showing Princess Charlotte enjoying time on the beach with the family's two English Cocker Spaniels, giving...