His children's books have sold more than 25 million copies in just 10 years. As well as being a writer, he's an actor, comedian, talent show judge, and a long-distance swimmer: so is there anything that David Walliams can't do?! Well now he can add 'podcaster' to his CV too, with 'David Walliams' Marvellous Musical Podcast' from Classic FM.
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