When you think of Barack Obama and the Queen of England you automatically think of them in the adult form- but believe it or not once upon a time they were children too.

Now they may be important now- but the truth is many years ago David Cameron probably enjoyed playing with Lego and George W. Bush had to have his nappy changed.

Here are vintage photographs of arguably the worlds biggest and most influential people- years before they ruled the world.

1. Barack Obama- 44th U.S President