He had a cat smile, but I like cats.

This makes the cat smile as she apparently begins to fall for Tom.

Her gaze lowered, and a little cat smile curved her lips.

He smiled a smug cat smile at his own cleverness.

He opened his mouth in a broad cat smile.

She smiled, a cat smile, thinking of what she planned to do to him.

She smiled slowly, a lazy, cat smile, as if he secretly amused her.

Morgana was still smiling that sleek cat smile at him.

He squinted his eyes in a cat smile as the three of them approached.

Rex was still in the demon's arms, smiling a stupid cat smile.