Tennis ace wants to challenge herself

Martina Navratilova is hoping to make the transition from centre court to centre stage.

The Wimbledon champ has auditioned for a part in West End show Chicago.

Martina, 52, is up for the role of Matron Mama Morton, a corrupt prison warden.

‘I don’t want to be too comfortable,’ she tells the Daily Star. ‘I want challenges.’

If she does get the part the I’m A Celebrity… Get Me Out Of Here! star would have to sing the musical number You’re Good To Mama.

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