S4, E22: Navid suspects that Liam and Silver hooked up so he decides to confront Liam on the red carpet of a movie premiere. Annie and Caleb (guest star Robert Hoffman) fight their attraction to one another but finally give into temptation. Meanwhile, Naomi has been hired to plan the wedding of an heiress and discovers she knows the groom a little too well, and Austin (guest star Justin Deeley) enlists his dad, Judd Ridge (guest star Billy Ray Cyrus) to be help launch Adrianna's country career.