Ella Langley has abruptly canceled her Tulsa, Oklahoma concert amid concerns over a “serious security threat.” “Due to a serious security threat involving the safety of my fans, the venue staff, and my team, the incredibly difficult decision was made to cancel tonight’s show,” the “Choosin’ Texas” singer, 27, wrote via Instagram on Friday, October 9. “This decision was made under the advisement of local authorities, the venue, and my security team.” Langley continued, “I know how much time, travel, money, and planning goes into coming to a show, and I can’t tell you how sor...