Zac Efron

The reactions are... mixed.

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

I mean, I see the resemblance.

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

See how Adam Brody, Jesse Bradford, Josh Hartnett and more resident hotties of the '00s have aged since their heyday.

From Miley Cyrus to Zac Efron, these celebrities shared with fans what Christmas meant to them this year.

Zac Efron, Dwayne Johnson and Alexandra Daddario reinvent characters from the '90s TV series in the first teaser trailer for the film.

Who watches the Baywatchmen? All of us, okay. We are all going to be watching the Baywatch movie, because, still, none of us can believe it actually exists. It must be seen. It must be experienced. And if you’re just dying to know what we’re all in for, look no further than this teaser…

Great dads were the focus of celebration on June 19, aka Father's Day 2016, with stars from Chrissy Teigen to Zac Efron sharing their messages.

These famous couples discovered romance on set, and it lasted well after they shot their last scenes together.