High School Musical was a film starring Zac Efron. Rachel Edwards' little sister was obsessed with it. Rachel said on her blog that Matt Nelson's entourage treated him like he was Zac Efron. (PROSE: Head of State)
In 2008, Clyde Langer sarcastically remarked, "Let's have a High School Musical moment: a group hug'll sort everything out" (TV: Revenge of the Slitheen)