June 8. 1 - 4pm. Cakes by Happy Eatery. Come join the Wu family, owners of this full-service Manassas bakery, in celebrating their 30th anniversary. Enjoy a dessert bar that features an 8 FOOT BIRTHDAY CAKE, decorated with key moments from the bakery's history. What a great opportunity to sample cake for your wedding! Cakes by Happy Eatery is located at 9685 Liberia Avenue.