The lucky lady in his life is his Neighbors costar Halston Sage, E! Online reports. He first met the actress on set of their movie and things got more serious after he finished rehab.
"They were seeing each other a bit during filming of their movie together and ever since he went to rehab they got a lot closer," a source says. "Her friends love him and say he is so sweet. He's really good for her."
Zac and Halston cheered on the Lakers together earlier this month, and while we're disappointed Zefron's off the market, they could be a good couple. Halton's only 20, so she can't go clubbing or drink and Zac's sober, so they can have non-boozy date nights and outings.
In the meantime, we'll just keep watching this.
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Gallery | Cute Guys Watching Sports