Couples to wed at Philly pizza shop for Pi Day

PHILADELPHIA -- March 14 is known as Pi Day because the date "3-14" matches the first three numbers of Pi, the mathematical constant.

It is usually embraced by math geeks or pizza and pie lovers.

RELATED: Using pie to explain pi in honor of Pi Day

To celebrate "& Pizza" in Philadelphia is giving away two free weddings.

The couples are both from the Philadelphia area. Melissa Gandolfo and Jorge Velazquea will tie the knot, as well as Kate Boyle Steed and Nick Laffey.

The restaurant has done this at several of their franchises the past couple of years.

It provides the flowers, wedding cakes, and, of course, the pizza.

READ MORE: National Pi Day deas and freebies

Deals for National Pi Day