article_snippet: Dawn French (centre) kicked off with Radio 2 DJ Dermot O'Leary completing a 24-hour danceathon to raise £643,336.
article_snippet: The 41-year-old completed his epic challenge by showing off his moves outside the BBC Broadcasting House in London.
article_snippet: During the danceathon, which saw his cover the equivalent of 53 miles, his was only allowed breaks to go to the toilet.
article_snippet: O'Leary, who completed the equivalent of 53 miles during the danceathon, looked like his was putting everything into it.
highlights_snippet: Show kicked off with Dermot O'Leary completing 24-hour danceathon .
  