There are a number of celebrities who will be running the London Marathon this Sunday, here's a breakdown of all the stars you may want to keep an eye out for. The London Marathon is a mammoth event which sees celebrities, athletes, and amateur competitors travel across the world to participate in. This year, there are going to be a lot of actors, singers, and reality TV show stars fighting the tube strikes to attend, so you are going to want to keep an eyes peeled! The award-winning actor