Zac Efron: Shirtless at Sydney Hotel!

Zac Efron goes shirtless and shows off his toned torso while he hangs out on his hotel balcony on Sunday (April 8) in Sydney, Australia.

The 24-year-old actor is staying at the same hotel as pop star Rihanna, which features views of the Sydney Harbour Bridge and Sydney Opera House!

PHOTOS: Check out the latest pics of Zac Efron

Zac is on a promo tour for his upcoming movie, The Lucky One, which hits theaters on April 20.

Be sure to check it out when it’s released!