Zac Efron and Vanessa Hudgens attended a party held in honour of the actor as he appears on the front cover of Details magazine.

The party took place at a private house in the Hollywood Hills and was also attended by Glee's Matthew Morrison, Leslie Mann and Josh Groban.

According to People, Vanessa was all pver her beau, sitting on his lap and running her fingers through his hair during the party.

Although the party finished at 11, Zac invited many of the guests back to his pad to carry on celebrating. Party animal!

Zac and Vanessa have been dating for 5 years!