Vanessa Hudgens dumps Zac Efron

Vanessa Hudgens and Zac Efron, are over OK! claims.

The pair have been going back and forth with breakups. Zac dumped Vanessa last week. But this time, it's Vanessa that's kicked Zac to the curb - and right before his birthday!

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A source close to the hunk reveals exclusively to OK! that the deed went down late Wednesday evening, only hours before he was to turn 20. Now, just out of his teens, he's going around telling friends it's "officially over."

One friend tells OK! that Zac is worried Vanessa might have already found a new piece of man candy - though there are no real signs of this being true.