Moriah Plath is the closest sister in age to Lydia Plath, so why wasn't she the maid of honor when Lydia married Zac Wyse? "Moriah probably would have been my maid of honor if she was here [in Georgia], but she was, you know, just going through a lot," Lydia, 21, exclusively told Us Weekly on Monday, August 25. Lydia noted that Moriah, 22, had just "moved to Montana in January, and so she came home, like, three days before the wedding." As a result of her sister's recent relocation, Lydia said, "I knew that she wouldn't want the responsibility [or] that task at the moment.