Mar 20 2017 What Is GOING ON With Actor Jack Nicholson’s Pants . . . Either He’s Got a BIG D**K . . . Or He’s Now Wearing DIAPERS!!! (Close Up Pics) March 20, 2017: Actor Jack Nicholson is 79 years old – and he’s lived a hard life. But ole Jack still had women at the Staples Center raising an eyebrow. Look between his legs . . . is that a DIAPER or is he PACKIN’???