As part of a guest role on TV's Eli Stone, Katie sings and dances clad in long black gloves and a tight-fitting black outfit, as co-star Jonny Lee Miller watches on.
Katie's getting some great reviews for this in the US, but how will she fare with our relentless FIX reviewers? Leave your verdicts below!
And check out other actors trying to sing in MusicFIX's gallery below!
