Reports: Zac Efron & Vanessa Hudgens Split!

Zac Efron and Vanessa Hudgens attend the "Charlie St. Cloud" film premiere at the Regency Village Theater on July 20, 2010 in Los Angeles, California -- Getty Images The "High School" romance is reportedly over for Zac Efron and Vanessa Hudgens.

After four years together, the former Disney stars, who played on-screen couple Troy and Gabriella in the hugely successful "High School Musical" series of films, have split.
PLAY IT NOW: Vanessa Hudgens On Comic-Con: ‘I’m Stoked’ For Fans To See ‘Sucker Punch’
"It's nothing dramatic," a source told E! Online's Marc Malkin, who broke news of the split. "There's no third party involved."
Apparently there was no drama in the break-up, another source told Malkin.
VIEW THE PHOTOS: They Dated? Surprising Former Couples!
"They were together for so long. It just ran its course," the source said.
While their romance may be over, Zac and Vanessa remain close.
"They are 100 percent still good friends," a source told People.
VIEW THE PHOTOS: ‘High School’ Heartthrob Zac Efron
Reps for Zac and Vanessa were not immediately available for comment when contacted by Access Hollywood.
Copyright 2010 by NBC Universal, Inc. All rights reserved.
This material may not be published, broadcast, rewritten or redistributed