The singer, 34, revealed in January her now one-year-old twins, Ocean and Story, had been diagnosed with Spinal Muscular Atrophy (SMA) Type 1, a rare muscle-wasting condition .

Singer Jesy Nelson has opened up about her split from Zion Foster, admitting that her twin daughters' being diagnosed with SMA tore the couple apart

The singer, 34, revealed in January her now one-year-old twins, Ocean and Story, had been diagnosed with Spinal Muscular Atrophy (SMA) Type 1, a rare muscle-wasting condition .