David Walliams, David Cameron and 100 children come together ahead of Nutrition for Growth Summit. This image appears in the gallery:Weird And Wonderful Pictures Of The Week- 14th June 2013 10. David Walliams, David Cameron and 100 children come together ahead of Nutrition for Growth Summit. 20 images See the full gallery: Weird And Wonderful Pictures Of The Week- 14th June 2013