To celebrate its 81st birthday, Krispy Kreme is giving fans a few gifts.On Friday, participating stores will be selling a dozen Original Glazed Doughnuts for $1 with the purchase of any additional dozen doughnuts. Krispy Kreme announced the deal with a video starring Shaq.We’re celebrating our birthday Friday, July 27, but WE have a gift for YOU! According to @SHAQ, 12 + 1 = 24. Get an Original Glazed Dozen for $1 when you buy any dozen at regular price at participating shops. #KrispyKremeBirthday #ShaqMath pic.twitter.com/EN1kMuCULn— Krispy Kreme (@krispykreme) July 23, 2018Of course, it wouldn’t be a birthday celebration without cake. The chain is also debuting a new Glazed Confetti Doughnut from Friday through Aug. 2. The limited edition treat features confetti-infused vanilla birthday cake dough topped with glaze and sprinkles.Here’s where to find the doughnuts around the Tampa Bay area:• St. Petersburg: 9100 4th Street N, 6 a.m.-10 p.m.• Tampa: 3113 Kennedy Blvd., 6 a.m. to 11 p.m.• North Tampa: 8425 N Florida Ave., 6 a.m.-11 p.m.• Brandon: 2128 W Brandon Blvd., 6 a.m.-10 p.m.