Belvedere Square’s Sixth Annual “Trick or Treat at the Square” on Sunday, October 29th offers a fun-filled Halloween celebration for the young and young at heart. Among the treats for families: music by DJ Chris, a Thriller dance lesson and performance by The White Marsh Ballet Academy, surprises from Square merchants, food and drink specials, a costume contest (18 and under), pumpkin decorating (free while supply lasts), new trunk-or-treating from community members, and so much more!