Zac Efron going shirtless while relaxing aboard a yacht in Ibiza, Spain, and yes, his "buff physique" is front and center.

Zac Efron only meant to cheer on his younger brother Dylan Efron during Tuesday night’s episode of Dancing With the Stars, but the internet had other plans. The actor, 38, was spotted in the audience ...

Add Yahoo as a preferred source to see more of our stories on Google. Uncover the surprising reasons behind Zac Efron's dramatic facial transformation and the truth behind the headlines.