Kings Of Leon‘s Followill brothers have said goodbye to their mother, Betty Ann Murphy, who died overnight.Murphy’s passing comes just a day after the brothers – Caleb, Nathan and Jared – announced they would be cancelling a series of shows to spend time with their mother following a “medical crisis”.Taking to Instagram, the band said: “Our mother, who many of our fans know and love, has been dealing with a medical crisis for the last several weeks and while it has been hard to take the stage