Charlotte's gorgeous face was crinkling from the effort of following details.

His face crinkled into a smile as he looked from the paper to Sidney.

His face crinkled in a startling manner at the edges of the eyes, and he smiled.

He eyed her curiously for a moment, then his brown face crinkled in a smile.

Yes, she's used the line plenty of times before, but her face still crinkles as she guffaws.

The man's light brown face crinkled into a knowing smile.

"Those are my friends," the old man said, his face crinkling happily.

The old face crinkled again in what must have been laughter.

She looked at me, and her face crinkled in a smile.

The boys introduced themselves and the man's face crinkled into a big grin.