High School Musical dancer Jason Williams played photographer for the night and posted his pictures on social media.

One of his captions read: "The crew at @vanessahudgens amazing Halloween party last night! #highschoolMusical #Reunion!!!!"

He also shared a picture of himself and Hudgens, who was dressed as Alice in Wonderland for the bash.

He wrote: "Me and the #hostesswiththemostess @vanessahudgens!"