alums took to Instagram on Monday to announce the end of their relationship, nearly six months after their engagement aired on the show's season 8 finale.In a joint post, which included pics of videos from Brandon and Serene's time together, the former couple wrote, «After many months, today we have ultimately decided to end our engagement.»«We have tried to work privately on our relationship which has been incredibly challenging in the public eye,» they wrote. «This has been immensely hard to accept and painful, as there is a lot of love between the two of us.»«We are deeply hurting and can only ask that there be no hate,» the post concluded.