Join the Raving Fan Club at Del Taco and get 2 Free Grilled Chicken Tacos as well as a free milkshake, regular size but you can choose chocolate, vanilla, strawberry on your birthday. You will also get other offers delivered straight to your email's inbox. It doesn't say how long the coupon is good for once you get it or if you are able to redeem it on your birthday when you can also redeem for a free milkshake.
