They’re used to living the high life, but the nine celebrities who signed up to this year’s Stand Up To Cancer challenge are facing their tallest order yet. Host and team leader Paddy McGuinness took the brave celebs into the Austrian Alps to learn how to high wire walk, and face a series of vertigo-inducing tasks to prepare them for one final challenge – to wire walk 90 metres above one of London’s most iconic landmarks. “Some people have really struggled and there were lots of tears,” says Paddy.
