Zac Efron, Brittany Snow And Gang Go On Haunted Hayride

Who knew this group of young Hollywood stars were close friends?

Hairspray costars Zac Efron and Brittany Snow reunited on Thursday for the Los Angeles Haunted Hayride. The adorable duo, who shared a hug, were joined by Julianne Hough, Derek Hough, and Hairspray director Adam Shankman.

Derek Instagramed a shot of the musical gang, along with several other friends, captioned "Great time last night with great friends. Love this time of year." The warmly dressed group looked ready for a crisp fall night full of thrills and trills.

Efron has been shying away from the spotlight of late after it was recently revealed that he secretly entered rehab last spring for alcoholism and cocaine addiction. The former Disney star certainly looked happy and healthy during the hayride.