They could one day be wearing a crown but today they wore safety helmets.
The Duke of Cambridge and Prince Harry gave their support to a special project to create homes for veterans.
Forces charities Walking with the Wounded and Haig Housing are refurbishing two streets in East Manchester with the help of the BBC's home improvement programme DIY SOS The Big Build.
The scheme, the first of its kind, aims to transform derelict homes into new places to live for former service personnel and their families.
Rosie Laydon was there to see them get stuck in with a bit of HRH DIY.
If you think you can help, email [email protected] or the postcode is M40 8AE if you can get yourself there to lend a hand.