Princess Charlotte banging heads with Prince Louis but deciding to "act like nothing happened" has gone viral on TikTok. The ...

During a surprise appearance at a Big Lunch along the Long Walk outside Windsor Castle on Sunday, Prince William joked that Charlotte was tired after keeping an eye on Louis the day before.

The final image is the only which differs. It's a chalk portrait of a young boy, possibly Prince Louis, with his eyes closed. Image: One of the four Royal portraits drawn by the Waleses.