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.
What happened after her nomination?
Zeta-Jones' first release of 1999 was the heist film Entrapment.
Was it a success?
Despite a negative critical reception, the film was a commercial success.
What happened in 2000?
After taking the supporting part of star John Cusack's romantic interest in the comedy-drama High Fidelity (2000), Zeta-Jones starred in Steven Soderbergh's Traffic (2000).
Was this one a success?
Highly profitable at the box office and critically acclaimed, Traffic was described by the Dallas Observer as "a remarkable achievement in filmmaking, a beautiful and brutal work".

Question: What happened after this?
Self-contained rewrite: What happened after the success of traffic?