Bella Ramsey AKA Mildred Hubble tells all about the smelliest trumps on set and her secret fear when she answers Saturday MashUp's cringe questions.

Make sure you tune into Saturday MashUp! on the CBBC TV channel every Saturday at 9am for more brilliant music performances, fun and challenges.

For more Saturday MashUp! visit https://www.bbc.co.uk/cbbc/shows/satu...

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