BBC Radio 2 presenters and celebrities have been pushing themselves to the limit with gruelling challenges to raise funds for Comic and Sport Relief. From 24-hour danceathons to underwater dancing, these stunts have inspired the public to donate generously.
In 2015, Dermot O'Leary danced for 24 hours outside Broadcasting House, joined by Sam Smith and Rastamouse. He attempted styles from disco to riverdance, even fulfilling a boyhood fantasy by ripping off Bucks Fizz's skirts. The challenge left him curling into a foetal ball whenever he hears 'Stayin' Alive'.
Jo Whiley spent 26 hours on a treadmill for Sports Relief 2014, accompanied by Will Young, Paloma Faith, Nigella Lawson, and a mariachi band playing 'The Final Countdown'. The monotonous routine was a true test of endurance.
For Red Nose Day 2013, French and Saunders invaded Ken Bruce's Radio 2 show, hoovering the studio and performing a screeching rendition of 'I Know Him So Well'. They also hijacked the travel news, with the Vicar of Dibley sharing a risqué 'Pause for Thought' about Chris Evans.
Miranda Hart completed five Apprentice-style tasks in five days, culminating in organising a real wedding. She waxed a man's chest as a beauty therapist and sang in a gospel choir, proving her TV persona is far from reality.
Eddie Izzard ran 27 marathons in 27 days in South Africa, inspired by Nelson Mandela. He told Chris Evans that after a while, the brain syncs with the body, asking 'what kind of marathon shall we do today?'
