Zack Efron and Vanessa Hudgens back on?

Posted on Jan 9 2011 - 12:24pm by GJ Staff

Vanessa Hudgens and Zack Efron making up

Is it possible that Zack Efron and Vanessa Hudgens could be together again?Everything is possible at Hollywood..

The ex-couple were spotted in Los Angeles nightclub Eden.

"The two showed up around 10:45 p.m. through the back entrance with a group of friends and were holding hands at different points throughout the night," a source tells

"They were kissing on the lips and seemed to be enjoying their night," says the source. Adds another eyewitness: "They seem to be back together."