Big Brother’s Glyn Wise has called for Channel 4 to make a documentary honouring his late co-star and friend Nikki Grahame, following her death at the age of 38.The reality star shared a sweet snap of the pair together in a photo booth as he told fans he thought the television channel would have made a documentary “by now”. Glyn, 33, wrote on Twitter: “Oh come on @Channel4 I thought you would have made a documentary to celebrate the life of Nikki by now.