From Zac Efron to Mario Lopez, see these sexy stars take their shirts off
The True Blood hunk's chiseled torso made a splash by the ocean in Malibu, Calif., in August 2014. "I just work out for my own sanity, to be honest," he told Vulture in 2011. "I grew up in a competitive, sporting environment. It's just sort of part and parcel of who I am."