Top 7 Worst Celebrity Breakups in History of Hollywood - Page 7 of 9

Zac Efron and Vanessa Hudgens

The High School Musical co-stars began dating in 2005 on the set of the movie. After many years of dating, the couple decided to go their separate ways in 2010. The breakup is said to be mutual. Vanessa Hudgens revealed to The New York Times that girls were constantly running after him, and she was giving them death stares. She realized that it should be about spreading love, not hate.