The fourth season of The Real Housewives of Beverly Hills, an American reality television series, aired on Bravo from November 4, 2013 to April 7, 2014, and is primarily filmed in Beverly Hills, California. The season focuses on the personal and professional lives of Kim Richards, Kyle Richards, Lisa Vanderpump, Brandi Glanville, Yolanda Hadid, Carlton Gebbia and Joyce Giraud. The season consisted of 23 episodes. Gebbia and Giraud were not asked back after the fourth season. The seasons executive producers are Andrew Hoegl, Barrie Bernstein, Lisa Shannon, Pam Healy and Andy Cohen. Production and crew The Real Housewives of Beverly Hills was officially renewed for a fourth season in June 2013, with the full cast, premiere date and trailer being announced in September 2013. The season premiere "A Catered Affair to Remember" was aired on November 4, 2013, while the nineteenth episode "Are You My Friend?" served as the season finale, and was aired on March 10, 2014. It was followed by a three-part reunion that aired on March 17, March 24 and March 31, 2014 and a "Secrets Revealed" episode on April 7, 2014, which marked the conclusion of the season. Alex Baskin, Chris Cullen, Douglas Ross, Greg Stewart, Toni Gallagher, Dave Rupel and Andy Cohen are recognized as the series' executive producers; it is produced and distributed by Evolution Media. Cast and synopsis Cast Five of the seven wives from season three returned for the fourth installment. Adrienne Maloof was let go from the series during the reunion from season three, due to her lack of attendance. At the reunion, host and Executive Producer, Andy Cohen, had announced that her not attending would be her last act as a housewife saying, "This season was hard on Adrienne- as you know all know a secret about her family was revealed by Brandi [Glanville] and from that moment on, Adrienne refused to speak directly about it... Not only is she absent tonight, but she won't be on the show next season." Despite Maloof's dismissal during the reunion, she has claimed she left on her own terms as well as describing the series as an "amazing platform". She has also continued to guest star in later seasons. Also leaving after the third season is Taylor Armstrong. In June 2013, Armstrong's former castmate Glanville had revealed that Armstrong did not return due to not being asked back. Armstrong continued to guest star