Why is Erika Jayne so upset with her co-star? Erika Girardi, aka Erika Jayne, opened up about her co-star, Kathryn Edwards, in a recent Bravo blog. Following an episode of The Real Housewives of Beverly Hills, in which Edwards called out Girardi in her own home for comments made about Lisa Vanderpump during a previous episode, Girardi slammed her behavior in an entry to fans.