Fans think they have spotted a clue that reality star Christine Quinn is joining the Real Housewives of Beverly Hills after rumours swirled that she has left the cast of Selling Sunset. Christine recently confirmed that she has terminated her contract with The Oppenheim Group after launching her own company with her husband Christian Richard called RealOpen.The move got fans’ tongues wagging, with further fuel being added to the fire when Christine then appeared on US show Watch What Happens Live alongside RHOBH cast member Erika Jayne. And now Twitter users think the pair appearing on the show together means that realtor Christine will be joining the Bravo reality show next season.Taking to the social media site, one fan wrote: “Christine Quinn’s WWHL appearance will be an AUDITION #RHOBH”.