导读：5年前，一部叫歌舞青春（High School Musical）的迪士尼影片席卷了全球。简单励志的故事，朗朗上口的歌曲，让主演们一炮而红。5年内，一共出了三部歌舞青春。昔日青涩的演员们也变得越来越成熟。现在，就让我们来细数一下歌舞青春主演五年大变样。

 The now hunky Zac Efron, 23, with his Hollywood hair, light scruff, and dark duds, was there to support his friend on his big night.

主演Zac变化惊人，5年的时间让他从青涩的高中生变成了性感的男人。

  The "17 Again" star has definitely grown up -- and hit the gym -- since he first arrived on the Disney scene at age 18.