Zac Efron and Vanessa Hudgens “Making Out” at Club Opening

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Are Zac Efron and Vanessa Hudgens back on?

It’s too early to say for sure, and their reps aren’t talking, but the couple, who broke up in December, sure looked like their old selves last night at the opening of the L.A. club Eden.

Several sources confirm to Gossip Cop that Efron and Hudgens were “making out” at the nightclub.

According to a source, “They’re danced together, held hands…They were affectionate. It was sweet.”

Adds another partygoer, “Later [in the evening], they were making out.” The same source says they were sitting at a table and kissing, “but it wasn’t like they were trying to hide anything.”