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.
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Police were called to Kilburn High Road at 5.20pm after reports of a shooting.
In just 24 hours the offer was retweeted more than a thousand times on Twitter.
What a year it's been full of ups and down, turmoil and change and it seems events here in London have got the entire nation talking.