Prince Charles has wished Prince Louis a "very happy" second birthday via social media.
The 71-year-old royal has published a black-and-white image of himself sharing a warm embrace with Prince Louis through Clarence House's official Instagram and Twitter accounts.
The photograph - which was captured by the Duchess of Cambridge - is captioned: "A very Happy Birthday to Prince Louis, who turns two today.
"The young Prince enjoys a hug from his Grandfather, The Prince of Wales. (sic)"
The royal couple - who also have Prince George, six, and Princess Charlotte, four, together - published a series of photographs taken by Duchess Catherine of her youngest son with rainbow-coloured hands to mark his second birthday.
They subsequently shared more funny images of the tot, featuring the paint smeared on his face, to thank well-wishers for their messages.
One picture featured Louis' paint-covered hands, while the second showed where he'd clutched his cheeks, chin and neck.
The social media post was captioned: "Instagram Vs Reality
"Thank you for your lovely messages on Prince Louis's second birthday [rainbow emoji] (sic)"
- Bang! Showbiz