Windsor will be joined by 60 scouts at a dressed trestle table enjoying a Big Jubilee Lunch.
The event aims to encourage as many people in the UK to have lunch with their neighbours, friends and family on Sunday 3rd June 2012. It is part of the celebrations for The Queens Diamond Jubilee.
More top news
The 6 foot long boa constrictor was found dumped in the alley in Camden on Monday.
Chris Gard and Connie Yates want permission to take son Charlie to America for a therapy trial.
Just in time for World Turtle Day too.