Zac Efron's Shirtless 8-Pack Is on Full Display as He Shamelessly Adjusts His Package on 'Neighbors 2' Set

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Well, with a body like this why would Zac Efron ever wear a shirt?

The 27-year-old Neighbors actor was snapped on the Atlanta, Georgia set of the highly anticipated sequel, Neighbors 2: Sorority Rising, where he wasn't shy about going shirtless and sporting nothing but a pair of bright orange booty shorts.

And he clearly had no shame adjusting his package out in the open either.

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WATCH: The 27 Most Important Shirtless Zac Efron Pictures

Judging by these killer dance moves, Zac's obviously continuing his frat boy antics from the first film in the scene -- despite, SPOILER ALERT, having supposedly moved on to being a shirtless greeter for Abercrombie & Fitch at the end of Neighbors.

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… But who really cares when he's flashing his 8-pack abs.

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The thirst from the hundreds of extras is almost palpable, no?

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Zac's co-star, 33-year-old Seth Rogen, gamely tried to keep up, rocking an identical outfit and also sporting a "six-pack."

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Earlier this month, Selena Gomez was spotted hilariously posing as a sorority girl on the Atlanta set of the star-studded comedy. Selena joins Chloe Moretz in the sequel, as well as returning stars Zac, Seth, Dave Franco, and Rose Byrne, who appears to be rocking a real-life baby bump on set! This would be the first child for Rose and her boyfriend, actor Bobby Cannavale, who have been dating since 2012.

WATCH: Rose Byrne Pregnant? Actress Steps Out With What Appears to Be a Major Baby Bump on the Set of 'Neighbors 2'

Watch the video below to see a baby-faced Selena do her best impression of a sorority girl, sporting a hot pink tube dress.

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