Instagram/Jesy Nelson & Leigh-Anne Music Little Mix members support ex-bandmate Jesy Nelson after her twins' SMA diagnosis. Leigh-Anne reveals they reached out despite past distance. March 14, 2026 AceShowbiz - The members of Little Mix have shown their unwavering support for former bandmate Jesy Nelson during a difficult time, as Jesy's 9-month-old twins face a serious health diagnosis.