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 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 enlists his dad, Judd Ridge to be help launch Adrianna's country career.
Season 4 Episode 22 of 90210 resulted in a 0.00 rating in the 18-49 demographic.
The series revolves around the three-generational Wilson family who have recently moved to Beverly Hills, California after the father Harrison Wilson accepts the position of being the principal of West Beverly Hills High School.