Leigh-Anne Pinnock praises Jesy Nelson for handling her twins' 'heartbreaking' diagnosis Little Mix star Leigh-Anne Pinnock has praised her former bandmate Jesy Nelson for the "really incredible" way she has spread awareness of Spinal Muscular Atrophy (SMA) Type 1 after her twins' diagnos 10 March 2026 Leigh-Anne Pinnock has praised "incredible" Jesy Nelson for the way she's dealt with her baby twins' diagnosis.