Bruce Willis -- Moonlighting as Old Man 10/9/2008 2:26 PM PT His daughters may not have any kids yet, but 53-year-old Bruce Willis has already morphed into a grandpa. Since their divorce, it appears Bruce and Demi are aging at the same inversely proportional rate. See Also Bruce Willis' GF: Half His Age, Twice as Hot Share on Facebook Share on X Bruce Willis Beauty Nurse! Paparazzi Photo