Both sisters had a prim, close-lipped smile, genuine but guarded, as if a full-on grin risked conveying complexities best left unmined.

NPR: Elevating the World's Oldest Profession in Chicago

Ben Stone (Seth Rogen) is a feckless oaf with a wide grin, a bong, and four lazy housemates who are too old to be boys but will never, unless fate takes a hand, bother to grow into men.

NEWYORKER: Knocked Up

Dylan read off the names and said with a grin that he'd be busy that night but otherwise he'd like to be there.

NPR: Dylan, the Red Dog and the Real Summer of Love

But the Associated Press praised the movie, saying it would leave "a big, silly grin on your face".

BBC: Martine McCutcheon found fame in EastEnders

Matthew admits, with a slightly sheepish grin, his ambition is to be prime minister one day, but at the moment his hands are full with constituency matters - immigration, policing - and writing Parliamentary questions.

BBC: 'Normal people' begin life as Westminster interns

But Palin did show she knew how to take a punch, and how to deliver one, with a sly grin.

NPR: How Best To Charm GOP? Palin Bashes Press