are they a new couple?

Zac Efron and the audience sees Lily Collins dining together at STK Restaurant Los Angeles, on Saturday. There is one witness who said they got together and join hands.

They arrived to honor a birthday party for a friend Zac, Efron and Collins drink at the bar together and then join other colleagues in the porch, "added an insider, while sources say the actor then went on that night in Lexington Social House .

The most famous Efron dating Vanessa Hudgens for years, as Collins in touch with Taylor Lautner on throughout 2011. His appearance will be seen opposite Julia Roberts in the Mirror Mirror.