Join Alvin and his brothers Simon and Theodore for this hilarious Halloween adventure. Alvin wants to be accepted into the Monster Club, but the Monster members seem to think its cool to be cruel.

In photos posted by Carey's 13-year-old son Moroccan, the songstress donned furry ears and Alvin's red outfit while ... and captioned by her son as 'Happy halloween!! - 7 days later and during ...