And it involves Glee!!!
Watch (above) to get the scoop and then help us share the exciting news!!!!
Playing your favorite sport is not a bad way to raise money for charity!
The match benefited several charities both brothers supported, and kept the Duchess of Cambridge busy as she watched on the sidelines with a friend.
Check out more pics of the boys in action (below), plus Kate's seksi figure and toned legs in a lovely spring dress!
[Image via Mavrix Online.]