Zac Efron

From big box office franchise leads to former teen TV stars, these actors and actresses were victims of nude photo leaks through the years.

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 rumors began last April.

One student thought Jesse McCartney was Justin Bieber!

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

We love a #Zanessa throwback.

Business in the front, party in the back.

Because breaking up is hard to do.

A new Charlize Theron movie, a Zac Efron travel series, and an ‘Unsolved Mysteries’ update are all on the way.

Kelly is joined by Zac Efron, Missy Elliott, Shia LaBeouf and more.