Conversation so far:
What happened in 1998?
Steven Spielberg took notice of Zeta-Jones in Titanic and recommended her to Martin Campbell, who was directing The Mask of Zorro (1998) for Spielberg's production company.
What happened after he recommended her?
Campbell cast her as the leading lady in favour of Izabella Scorupco, who was his original choice for the part.
Did she win any awards?
The role proved to be a breakthrough for her and she was nominated for the MTV Movie Award for Best Breakthrough Performance.

Question: What happened after her nomination?
Self-contained rewrite: What happened after Catherine Zeta-Jones nomination for the MTV Movie Award for Best Breakthrough Performance. ?