Video - Bruce Willis Dresses Down Outside 'Letterman'

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'A Good Day To Die Hard' star Bruce Willis stops briefly for the cameras as he arrives outside 'The Late Show With David Letterman' studios in New York looking casual in a black T-shirt and jeans, ahead of his appearance on the show.

The actor will star in the forthcoming 'Sin City' sequel - 'Sin City: A Dame To Kill For' - with Mickey Rourke, Jessica Alba and Joseph Gordon-Levitt, as well as upcoming action thriller 'The Prince' which also stars John Cusack, Jessica Lowndes and 50 Cent.