EXCLUSIVE: Jesy Nelson reveals historic change to get all newborns tested for spinal muscular atrophy (SMA) is ‘bittersweet’ as her beloved twins are ‘not great’’

Former Little Mix star revealed why her twin daughters' treatment for their SMA diagnosis was delayed despite bringing risks if could have a permanent effect

Former Little Mix star Jesy Nelson's children Ocean and Story were diagnosed with Spinal Muscular Atrophy Type 1.