After a couple of stints in rehab—and a lot of growing up—26-year-old Zac Efron has a hit movie, Neighbors, and, finally, a healthy outlook.

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He also has a huge regret: All that partying in his early 20s cost him his true love, Vanessa Hudgens, 25, the costar he dated from 2006 to 2010.

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“Zac thought she was The One, but they were just too young,” says an insider.

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He’s still crazy about her, and would love to make amends, says the source, but “Vanessa won’t even speak to him.”

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Those were days, huh? Do you miss Zanessa as a couple? Or do you think they are better off solo? Share in the comments or tweet us @OKMagazine.

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