Famous May-December couples Last week, former Beatle Paul McCartney, 68, announced his engagement to Nancy Shevell, his girlfriend of four years . McCartney has been down the aisle before . The same is true for the elder half of most of the May-December romances featured here. Hugh Hefner & Crystal Harris Playboy founder Hugh hefner 85, used his Twitter account to announce his engagement to much, much younger Playmate Crystal Harris on Christmas Eve . Michael Douglas & Catherine Zeta-Jones Oscar winners Michael Douglas, 66, and Catherine Zeta-Jones have two kids together . Zeta-Jones stuck by Douglas during his cancer battle and now he's standing by her side as she wages a high-profile struggle with mental illness Susan Sarandon & Jonathan Bricklin Oscar winner Susan Sarandon, , and documentary filmmaker Jonathan Bricklin, who's in his early 30s, haven’t confirmed their relationship status, but the pair has been spotted around the w...