In the darkness Windle Poons' mouth formed a horrible grin.

Harper watched it, an evil grin forming on his face.

A broad grin instantly formed on Zimmerman's face.

A slow grin formed.

A pleased grin formed under its twitching snout.

Her eyes were closed, and a grin was slowly forming at the corners of her mouth.

Turning her head sharply, a wicked and cruel grin formed on her mouth.

His grin formed slowly.

"They'll increase the dosage of your injections," he said, a grin forming despite my attempt to deflate him.

A grin formed on Kornan's face.