Decorate marshmallows. Melt Candy Melts candy according to package directions. Pour melted candy into loaf pan. Dip back half of heart pops in melted candy, tapping lightly to remove excess. Chill until set on wax paper-covered board, about 10 to 15 minutes.
Prepare decorating bag with remaining melted candy. Cut small hole in tip of bag. Drizzle remaining melted candy over top of heart pops. Chill until set, about 10 to 15 minutes.