Credit: Blue Wasp/Grey Wasp/Splash News Photo: Zac Efron Shirtless in Australia on April 8, 2012

Just as we were dreaming about a trip down under with The Lorax star Zac Efron, he shows up in Australia completely and utterly shirtless — what are the odds?!

The sexy actor is on location promoting his upcoming movie The Lucky One, where he plays a Marine touring in Iraq during the war. Well, that role explains his impressively chiseled body in these half-naked photos from his hotel balcony in Sydney yesterday (April 8).

Needless to say, we haven't been able to focus on much else since seeing these pics. You, too? As they say in High School Musical, we're all in this together.

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Credit: Blue Wasp/Grey Wasp/Splash News Photo: Zac Efron on His Hotel Balcony in Australia on April 8, 2012