Zac Efron, Vanessa Hudgens out of High School Musical 4

A FOURTH instalment of the teenage hit High School Musical will hit TV screens next year but it won't feature its two stars Zac Efron and his real-life girlfriend, Vanessa Hudgens.

A Disney studio statement last night said High School Musical 4 will feature a love triangle "set against the cross-town rivalry between the East High Wildcats and West High Knights."

Gallery: High School Musical 3 Premiere

Gallery: HSM's nude former star Vanessa Hudgens

Gallery: High School Musical 3's honey Ashley Tisdale

Gallery: High School Musical hunk graduate Zac Efron

Gallery: The Aussie cast of High School Musical

Peter Barsocchini, who wrote High School Musical 1, 2 and 3, is back in as screenwriter, while Bill Borden and Barry Rosenbush will once again executive produce the project.

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