Beginning April 14 and continuing through April 21, guests who join DD Perks using the special code “STARS” can rapidly reap rewards worthy of a star, earning an automatic 125 points towards a free any-size beverage, plus an additional 125 points during their second and third visits when purchases are made using an enrolled Dunkin’ Donuts card. All store visits much be completed by May 31, 2016 in order to receive the offer.