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

From Nick Jonas to Khloe Kardashian and beyond, check out 30 surprising celebrity glow-ups over the years.

'Extremely Wicked, Shockingly Evil and Vile' hits Netflix and select theaters May 3.

See the former ‘High School Musical’ star play one of the most notorious serial killers in history.

What do we think of the actor's new 'fun' hairstyle?

Some of these transformations will make your head spin — or at least give you a laugh.

The two starred alongside Dwayne "The Rock" Johnson in the 2017 beach comedy.

Get a look at him channeling one of the most notorious serial killers in American history.

Who knew Michael Jackson was a fan of Troy Bolton?

There'll be acrobats, fire breathers, little people, bearded ladies and more.