They met on the set of High School Musical in 2005.
Zac Efron and Vanessa Hudgens played teenage sweethearts in the "High School Musical" movies, and the romance translated into real life. The two dated for over 5 years before calling it quits in December 2010. Sources say their relationship had just "run its course", and there was no major drama or cheating scandal.
Where/How First Met
On the set of High School Musical