‘High School Musical 3′ — First Pictures !

BFFs Vanessa Hudgens and Ashley Tisdale (with puppy Maui) are seen leaving a rigorous four-hour dance rehearsal at a top secret location in Utah on Thursday.

Of course, this was in preparation for their upcoming feature film, High School Musical 3: Senior Year, which also costars Lucas Grabeel.

Also spotted on set, but not pictured below: Monique Coleman, Olesya Rulin, Chris Warren Jr and director/choreographer Kenny Ortega.

Seems like the gang is all back together-but where’s Zac Efron and Corbin Bleu?? Stay tuned for new pics from the set of HSM3, which has a tentative release date of Friday, Oct. 24.

Cast Set For ‘High School Musical 3′

Disney has finished its deals and will reunite all the key cast members for the feature film release “High School Musical 3: Senior Year” reports the trades.

Zac Efron, Vanessa Hudgens, Ashley Tisdale, Lucas Grabeel, Corbin Bleu and Monique Coleman are locked to return in the big screen incarnation.

Written by returning scribe Peter Barsocchini, “HSM3″ revolves around seniors Troy (Efron) and Gabriella (Hudgens) facing the prospect of being separated from one another as they head off in different directions to college.

Joined by the rest of the Wildcats, they stage an elaborate spring musical reflecting their experiences, hopes and fears about their future.

Kenny Ortega, who helmed the two previous telefilms, will helm the movie which is set to go before cameras in the spring. The project is slated for release on October 24th.