My three uncles. My four aunties. My mum. And my sister - the latter being the only one to survive the disease. Where can the Irish donate their money to, godnammit! Tonight Davina McCall, Alan Carr and Christian Jessen host this marathon evening of entertainment, fundraising and science, concluding Channel 4's campaign to raise awareness of cancer. There are editions of Chatty Man and The Million Pound Drop Live, and Derren Brown aids a mystery celebrity in a game of high jeopardy - Paintball Russian Roulette. There's also performances from Cheryl Cole, Leona Lewis and a mixture of live appearances and recorded messages include The Simpsons, Bradley Cooper, Tom Daley, Kylie Minogue, Jonnie Peacock, Emeli Sande, Jenson Button, JLS, and many more.