The couple married Monday evening at the Christ Episcopal Church in Curry's hometown, People magazine reported Tuesday.
Curry, 23, and Knight, 48, met during the filming of VH1's "Surreal Life" in 2004.
Some of Knight's former Brady siblings watched the couple say "I do," including Barry "Greg" Williams, Susan "Cindy" Olsen and Mike "Bobby" Lookinland, People said. Also in attendance was the couple's "Surreal Life" housemate, Joannie "Chyna" Laurer.
The newlyweds are currently in the second season of "My Fair Brady," which will culminate with the "My Fair Brady Wedding Special" in July.
Knight is twice divorced while this is the first marriage for Curry.