Duffy will be performing at this year's Radio 1 Big Weekend on Saturday 10th May at Mote Park, Maidstone, Kent.
To win tickets to this amazing event head over to the Big Weekend website and enter Radio 1's Big Golden Ticket Draw competition.
You can also register for the regular ticket lottery over at the BBC's Big Weekend website, although Radio 1 will be giving priority to those who live in the local area.