A grin tugged at his mouth before he controlled it.

George tried to resist the grin tugging at his lips.

A grin tugged at the stranger's lips, as though he could sense her thoughts.

The grin tugging at the corners of his mouth widened.

Cowboy feels a grin tugging at the corners of his mouth.

A grin tugged at the worried line of F'lar's mouth.

A wry grin tugged at the corner of Alexander's mouth.

Stefan felt a grin tugging at his lips in spite of himself.

Sam's eyes narrowed as an involuntary grin tugged at his lips.

A slight grin tugged at the corner of the chief of staff's mouth.