Zac Efron Rides a Boat Shirtless with Sami Miro!

Zac Efron holds his girlfriend Sami Miro‘s hand while going on a boat ride together in this new photo posted to his Instagram account on Saturday (January 2).

The 28-year-old actor is seen going shirtless in the new picture and based on the pose, fans are wondering if Zac and Sami might be engaged!

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!