Season's greetings indeed! In 2012, Duhamel flexed his muscle for his and Fergie's friends and family card, released on Instagram on Christmas Day. Though she dressed in a festive Christmas sweater for the card, Fergie has said she has a long standing tradition for her husband of four years that involves decidedly less clothing. "One day every holiday season, he comes home and there's a naughty Mrs. Claus," she has said. "It depends on how good he's being!"