1.   A big smile spread across his face.

2.   A big smile suddenly spread across her face.

3.   A faint smile spread across her face.

4.   A gentle smile spread over her face, unnoticed beneath her mask.

5.   A gentle smile spread over her seamed face.

6.   A relieved smile spread over his face.

7.   A slow smile spread across his face as he realized that it must be Ace with the Marines.

8.   A slow smile spread across his face.

9.   A slow smile spread over her face.

10.   A slow smile spreads over her lips.