Hera's Happy Endings is the name of the bridal shop which the goddess of marriage Hera owns. This shop is located in the Immortal Marketplace. This shop is not currently kept active for Hera leads a new life on Mount Olympus.
Hera thought that the shop was to be kept normal and mundane, however when Athena and her friends came along, they changed Hera's life. Zeus immediately fell for her as well, and this left a great mark in Hera's life, and it changed the shop's and her fate.
Unlike most of the shops in the Immortal Marketplace, this shop is described thoroughly. Athena describes it having many different types of beautiful white wedding dresses around, with a large counter, with Hera sitting in it.