Diddy & Jessica Simpson set to shoot Macy's christmas commercial

Rap mogul Sean ‘Diddy’ Combs, Jessica Simpson and designers Tommy Hilfiger and Kenneth Cole are among the stars taking part in a Christmas TV ad campaign for department store chain Macy’s.

Celebrated filmmaker Barry Levinson is shooting the star-studded ads on a set at the Brooklyn Navy Yard, according to internet gossip Marc Malkin.