Jesy Nelson Breaks Down in Emotional Documentary Trailer: “I’ll Be Heartbroken for the Rest of My Life”

Jesy Nelson has shared one of the most emotional moments of her life, admitting she believes she will carry heartbreak with her forever as she continues fighting for her daughters and for families across the UK.
The former Little Mix star has released the powerful first trailer for her upcoming Prime Video documentary, Jesy Nelson: Life Changing, offering an intimate look at the devastating journey she has faced since her twin daughters, Ocean Jade and Story Monroe, were diagnosed with the rare genetic condition spinal muscular atrophy (SMA).
The deeply personal series follows Jesy as she navigates life as a mother while campaigning to change UK newborn screening laws—hoping no other family will have to experience the pain she has endured.
The former Little Mix star filmed new Prime Video documentary Jesy Nelson: Life Changing.
Sharing the trailer on Instagram, the 35-year-old described the documentary as the most difficult project she has ever made.

“I’m really not sure where to start with this one,” she wrote. “This is the most heartbreaking series I’ve ever had to make, but it’s one that needed to be made if we’re ever going to see real change.”

Jesy explained that the documentary only captures a small part of what her daughters experience every single day.
“This is the reality that so many children born with SMA have to endure,” she said. “I truly hope this helps people understand why early diagnosis and treatment from birth are so incredibly vital.”
Jesy Nelson left in tears as she learned of twin daughters diagnosis
She added that she will continue campaigning until newborn screening becomes available for every baby.
“I’ll keep saying it until no family has to experience this again.”
The trailer includes heartbreaking footage from the moment Jesy learned about her daughters’ diagnosis. Fighting back tears, she can be heard saying:
“I can’t believe this is happening.”
“My whole life has changed… I don’t know how we are going to do this.”
In one of the documentary’s most emotional scenes, Jesy breaks down completely before admitting:
“I’m going to feel heartbroken for the rest of my life.”
Despite the overwhelming emotion, the singer refuses to let her family’s experience be in vain.
Throughout the documentary, she is seen meeting campaigners, speaking publicly, and urging politicians to introduce routine newborn screening for SMA across the UK. Medical experts say early diagnosis allows treatment to begin before symptoms appear, dramatically improving long-term outcomes for many babies.
Reflecting on what earlier treatment might have meant for Ocean and Story, Jesy shares one of the documentary’s most painful admissions.
“They could have been able to walk and run and live how a child should live,” she says. “That’s the part I’ll never be able to accept.”
Prime Video describes Jesy Nelson: Life Changing as a raw and deeply personal portrait of a mother learning to navigate an unimaginable reality while adapting to the daily challenges of raising two children with complex medical needs. The series also follows Jesy as she rebuilds her life as a single mother following the end of her relationship with former fiancé Zion Foster.
Jesy welcomed Ocean and Story in May 2025 after a premature birth. The twins spent their first three months in hospital before later being diagnosed with SMA, a rare inherited condition that affects muscle strength and movement. According to the NHS, the condition can also impact breathing, swallowing, and overall mobility, making early treatment especially important.
Now, Jesy hopes telling her family’s story will help create lasting change—not only for her daughters, but for future generations.
Her message throughout the documentary is clear: no family should have to hear the devastating news she received if earlier testing could help change a child’s future.
As the trailer continues to resonate with viewers, many fans have praised Jesy’s courage for sharing such an intensely personal chapter of her life in the hope that it leads to greater awareness, earlier diagnoses, and meaningful reform of newborn screening across the UK.