One Direction are offering fans a chance to fly to Miami to meet the band at the final gig of their world tour.
Fans can enter the competition by donating £5 which will go towards Stand Up To Cancer, a joint fundraising campaign led by Cancer Research UK and Channel 4.
The prize includes return flights to Miami, accommodation, tickets to the final show of the Where We Are tour and a chance to meet the band on October 5.
Liam Payne said: "Stand Up To Cancer is an amazing initiative that we've been working with for a little while now. We wanted to offer this amazing trip to Miami as a really special prize that we hope will help raise funds for such important research."
To enter the competition, visit www.prizeo.com/onedirection.