1.   His confident smile turns into a forced grin.

2.   But now his smile turns sly.

3.   But the smiles turned to stone when the questions became personal.

4.   His eyes dart up and his smile turns into a dastardly grin.

5.   Her smile turned upside down.

6.   Smiles turn to scowls.

7.   The anesthesiologist whispers in her ear and her smile turns to a frown and she starts crying.

8.   The one whose gracious smile turned ecstatic when she got to wear the gold a few days later.

9.   The president stiffened and his smile turned serious.

10.   The smile turns beatific.