Selling Sunset viewers were left concerned last year when rumours emerged Brett Oppenheim was leaving the show. However, in an exclusive chat with Express.co.uk, his brother Jason Oppenheim has cleared up what’s really going on behind the scenes.In September last year, it was reported Brett had left The Oppenheim Group, which is the real estate brokerage at the centre of Netflix’s hit series Selling Sunset.The news came from Christine Quinn said he’d left to start his own brokerage, throwing his place in the next series up in the air.The flames were fanned when Brett was taken off The Oppenheim Group’s website.However, now in an exclusive chat with Express.co.uk, Jason has cleared up what really happened.He said: “I know that the media has.