EXCLUSIVEIs Prince Louis right to tell footballers to eat double portions? Nutritionists debate science behind young royal's advice for England stars to scoff 'twice the amount' - as we look back at some of the more bizarre diets to grace the beautiful ga

He is the cheeky prince who has won the hearts of a nation with his mischievous behaviour at major royal events.

And now Prince Louis has stirred up a debate over how much food Gareth Southgate should allow his England squad to eat ahead of their Euros matches in Germany this summer.

Before the Three Lions set off from St George's Park yesterday, Prince William passed on some advice from his youngest son, telling the players: 'I was on the school run this morning with the children and I said 'What shall I say to the England team today?