Zac Efron: NYLON Party with Vanessa Hudgens!

Zac Efron shares a special moment with girlfriend Vanessa Hudgens at the celeb-filled Young Hollywood Event at Hollywood’s Roosevelt Hotel on Wednesday (May 12).

Nylon Mag and YouTube presented a poolside celebration hosted by cover girls Vanessa, Ashley Greene and Portia Doubleday.

Vanessa told JustJared.com that she’s excited to work again with her Beastly co-star Neil Patrick Harris. (He’ll be directing her in Rent at the Hollywood Bowl.)

FYI: Vanessa is wearing a purple silk Vera Wang dress.

Ashley Tisdale also came out to support! 10+ pics inside…