Zac Efron Goes Shirtless in New Pic with Girlfriend Sami Miro!

Zac Efron shows off his buff bod while going shirtless on a boat with his girlfriend Sami Miro in this Instagram photo posted on Saturday (January 2).

The 28-year-old actor is seen holding Sami‘s left hand in the photo, which of course is raising many questions as to whether the couple might have gotten engaged or not.

PHOTOS: Check out the latest pics of Zac Efron

Zac and Sami have shared so many cute photos throughout their relationship and they celebrated their one year anniversary back in September. See some of their snaps in the gallery!