High School Musical hottie (and subject of little girl fantasies all over the universe), Zac Efron, can put away his fake i.d., as he hit the big 21 on Saturday, celebrating with all kinds of Disney stars.

Thankfully, the actor didn't have to share his first legal b-day with the likes of Mickey and Minnie, but, by Zac's side, was all whole slew of youngsters paid by the Mouse. Cuddling with his woman, naked picture taker Vanessa Hudgens, other HSM stars Ashley Tisdale and Monique Coleman, joined Zac's mom, dad and brother, for a two-hour dinner at L.A.'s Pace restaurant.

After chowing down, the kids, plus young stars like Amanda Bynes, Brittnay Snow, and singing sisters Aly and AJ, met up at a local hotel for an after-party -- where (I hope) things got a tad bit more rowdy. Guests were seen bringing bottles of alcohol as presents for the newly-legal Zac.

I know we're probably supposed to believe that the party was all on the up and up, and that Zac barely made a dent in the obligatory bottle of tequila, but I'm so hoping it was messy. And that somebody has photos.