Q. If the chosson washed for sheva brochos but the kallah did not, can the sheva brochos be recited?

A. If the choson did not eat bread, Poskim maintain that sheva brochos should not be recited. (Haelef Lecha Shlomo O.H. 93, Tzitz Eliezer 13: 99, Hilel Omer 63 and others). Yabia Omer (6: 9) maintains the same in regards to the kallah.
However, Sovea Smochos 1: n. 100 asserts that even if the chosson didn’t eat bread, they still can recite sheva brochos bedieved.
Horav Shlomo Miller’s Shlit’a opinion is that even if the kallah didn’t wash if she partook of the seuda, sheva brochos can be recited. The Rov also quoted Noda Beyehuda (E.H. 2: 1) that the Kallah is included in the brocho of nesuin under the chupa.

Rabbi A. Bartfeld as revised by Horav Shlomo Miller Shlit’a