The prince, who is currently training as an Apache attack helicopter pilot in Suffolk, was at the awards ceremony in his role as patron of WellChild, a charity which recognises the courage of children coping with serious or terminal illness.
Among the other celebrities present were singer Pixie Lott, actress Barbara Windsor, television presenter Michael Underwood and boy band Blue.
Third in line to the throne Harry was there to present awards to two children nominated as the bravest in Britain in the three to six years category.