It's a tradition that every Thanksgiving morning audiences pack Herald Square or turn on their TVs to watch the floats, balloons and Broadway musical performances in front of Macy's flagship 34th Street store in the Macy's Thanksgiving Day Parade. Those appearances of Broadway casts aren't simply plugged in at the last minute, as Playbill learned in an exclusive look at a parade rehearsal hosted by Tony Sheldon and Nick Adams of Priscilla Queen of the Desert. Watch the Priscilla cast prepare for the 2011 parade — first at the Palace Theatre and then in front of Macy's itself. Read about other Broadway troupes making a Macy's bow on Nov. 24 here. Happy Thanksgiving!