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It's good to see him looking happy and healthy!

On Sunday evening Zac Efron jetted back from the SXSW Film Festival in Austin Texas, and the 26-year-old actor seemed overwhelmed with the amount of attention he received. Seeing as he was once the breakout star of High School Musical, you'd think he'd be used to this!

Efron is currently promoting his upcoming film Neighbors, in which he plays a hard-partying frat president, and much to our delight, he has lots of shirtless scenes. "I don't know how many times. It just seemed like whenever we felt like it—no hesitation," he told Marc Malkin at the film's premiere over the weekend. "It was like wake up, work out and then go to set and party all day."

Efron added that he found a secret spot to do pushups in between scenes, but apparently it wasn't that private, as he later discovered that an old man could see him. "He goes, 'Steve McQueen used to do that,'" Efron said. "He just looked like he had a lot of wisdom and I was like, 'Really, Steve McQueen did that?' He's like, ''Yeah, I saw him do that,' and then he goes, 'Don't do too many because you'll get sweaty.'" Ha!