Finding Zoe by Diane Saxon

Returning to England after eleven years, Cormack Blunt stumbles across the woman who he thought was lost to him forever. The woman he had never forgotten. And he realizes that the sweet young girl he once knew has managed to keep a secret from him.
Zoe Chance can’t believe that the young man she loved eleven years before, now a famous movie star and action hero, has turned up out of the blue and wants answers. Not only that, he wants her son too.

Forced to confront him, she realizes that it isn’t a fight to keep her son that causes the problem but the fight to keep her own heart.