Zac Efron Goes Shirtless in Hawaii, Is More Ripped Than Ever!

Zac Efron‘s body looks better than ever while going shirtless for a day at the lake on Sunday (June 14) in Oahu, Hawaii.

The 27-year-old actor was seen using a rope swing while having fun with his Mike and Dave Need Wedding Dates co-stars Aubrey Plaza and Adam DeVine.

PHOTOS: Check out the latest pics of Zac Efron

Zac shared a video to his Twitter account that weekend showing himself using a tire swing to plunge into the water.

Also pictured inside: Zac balancing a massive trophy on his head while filming a scene the next day.