Zac Efron

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He was hospitalized on Friday (Aug. 2).

Long live 'Tiger Beat' and 'Bop' magazine.

It's no surprise Jennifer Aniston's hair — a.k.a. "The Rachel" — made the list.

The 'High School Musical' heartthrob looks a little different, according to these tweets.

Business in the front, party in the back.

Sorry ladies, he's off the market.

Zac was flown to Australia for treatment.

The reactions are... mixed.

The 'High School Musical' co-stars dated for roughly four years.

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