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Fellow Welshman and rugby legend Ian Gough takes on the Celebrity Sit Off. He has two minutes to sit on as many Wembley seats as possible in support of Robbie Savage and Alan Shearer.
Enter the competition here: http://www.bbc.co.uk/backsides
Alan Shearer and Robbie Savage race to be the first to sit on 45,000 seats at Wembley Stadium.
If you donate £5 to the cause you can enter a competition to win prizes including tickets to the World Cup and One Direction concert tickets.
Find out more about Sport Relief: http://bit.ly/1cqcGHG
You can view the original video HERE.