As you may have seen, the Duke and Duchess of Cambridge accompanied the Queen on her Diamond Jubilee jaunt to Nottingham's Vernon Park on 13 June.
The royal couple promptly joined in with a children's sports event which formed part of the visit and Prince William wasted no time in showing his wife his skill handling a lengthy piece of equipment.
Alas, his display of sporting prowess elicited nothing but giggles from Duchess Kate. Poor guy.
The couple then took it in turns throwing the foam javelin while the Queen looked on. We assume this was the reaction shot to Wills' attempts...