Sign up to our free email to get all the latest royal news and pictures We have more newsletters Sign up to our free email to get all the latest royal news and pictures We have more newsletters All eyes are on the Royal Family today (June 15) as it marks the highly-anticipated Trooping the Colour parade - but three very important people are said to be on their 'best behaviour'. Prince William and Kate Middleton arrived in a carriage with her children Prince George , Princess Charlotte and Prince Louis who all appeared in high spirits as they smiled to onlookers. And, Adrianne Carter, body language expert at The Face Whisperer , exclusively told OK! that the three youngsters were enjoying themselves - perhaps after a few reminders from their parents.

She said: " Charlotte gives an exuberant wave to the crowds, she's on her best behaviour but ready to enjoy herself. "Louis looks more restrained in his waving, so far, maybe he's on his best behaviour with some fresh reminders about his behaviour from mum in the carriage. Prince George in particular, however, looked to really step into his role, with Adrienne commenting on his notable "confidence".

The expert continued: "George looks happy and relaxed, we can see that his confidence is growing into his role." The three young Royal's outing coincides with their mum's first public appearance since her cancer diagnosis. As Kate arrived, alongside her husband, Prince William , and Adrianne Carter, body language expert at The Face Whi.