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Friday, October 9, 2026
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‘It has pushed me to live more fully’: Jessica Cornish on cancer, comebacks and cracking China

You couldn’t make it up, Jessie J states. At that moment preparing for her first album release in eight years, blissfully happy with her recent boyfriend, and finally the parent to a young child after facing fertility challenges for a decade, on top of the world. Suddenly in spring she was told she had breast cancer.

The musician, real name J. Cornish, is famous for telling it as it is. The LP, her latest release, was intended as an candid account, dealing with every moment of pain she’d faced since she last worked on songs (a gynecological condition, pregnancy loss, broken romances, psychological manipulation, mental health struggles) with typical candour. The first single, her single No Secrets, was launched in April. But by then there remained a major undisclosed truth. The illness. Later second single, her song Living My Best Life, came out in May and Cornish was speaking publicly about how she was living her best life, while all the while living with breast cancer. A month later she disclosed her condition, and in early July she received surgical treatment.

She shoots me her best “What the fuck?” glance. “I come out with a song called No Secrets. I’m giving every press talk, and they inquire, ‘So what’s new with you?’ and I answer, ‘Erm, yeah, nothing …’” the singer has just had to call off performances because she’s awaiting reconstructive surgery.

Our interview takes place at a photo studio in London. She is wearing a tan faux-leather coat, blue jeans with elaborate white patches, off-white boots and large glasses. Imagine biker chic meets 1970s Nana Mouskouri. “It seems like I’m in the 1970s and I should have a man with facial hair.” Easy Rider, I say, referencing the picture. “I was nicknamed that in school!” She beams. Jessie is quick, unfiltered and blunt. She says she has always been interested in humor and is planning to attempt her standup debut soon. “I enjoy humor. When performing I basically roast the crowd.”

Health Struggles and Diagnosis

The artist was getting ready for an slot at the ceremony when she discovered a mass. “I quickly sought to get it examined, had an scan, and they told me, ‘It seems benign; your breasts are normal.’ And I was, like, ‘Yet I sense it. I have arm pain and numbness in my fingers whenever I rise.’ And they suggested, ‘How about a biopsy?’ The date was March 28, the following my birthday.” It was a Friday. The doctor told her if it was concerning she’d call on the start of the week. By then Cornish had persuaded herself it was fine. The way she explains it, it was just bad timing to face illness when she had a busy schedule.

“We’re two weeks away from launching this thing after years away and an extended break. And she contacted me and said, ‘Are you free at six?’ And I assumed, ‘It’s virtual, probably routine.’ So I log in believing it’s all going to be fine, and she goes, ‘Please take a seat.’ That sympathetic voice? And she reveals, ‘I’m so, so sorry but your test results have come back as malignant cells.’” How did you respond? “I answered, ‘Well, that’s not great. That’s not fucking great timing.’ The first thing I thought was, ‘I have to survive for my boy.’”

Some men find me challenging due to my self-awareness

She viewed the procedure scary and bizarre. “I dislike anesthesia. You’re escorted. In urgent cases you roll down in a bed, but now I just walked with a gown on and my rear exposed. You feel like you’re in an episode of Black Mirror.” But, she notes, she’s been lucky. Without chemo or radio, just the procedure. “It’s terrible, but yet Luckily it was detected early. The surgery happened recently and my one side now looks like a fruit under fabric.” Another grin. “The nipple was preserved.”

The subsequent surgery is for health and appearance. Her chest, she observes, are now “different sizes. The implant is larger than before. That’s impolite! I reflected, don’t add insult to injury, I’m already having a hard period. So rude! Amusingly I said I’d not undergo augmentation because I’ve got perfectionism, and I know they’d never be perfect. Cancer ruined that plan.”

Previous Struggles

She is accustomed to medical issues. She thinks her outlook on her diagnosis has been so positive because she’s familiar with medical emergencies. Many times they occur alongside professional successes, acting as a reminder, or punch in the stomach, to make her recall not to assume everything is fine. “Truly, I feel fate says, ‘You having a good time? Hold on.’ Ever since I was a child, it has often paired with moments of success for me; a major or strange event has happened to my health.”

She recalls to her 11-year-old self, already making her debut featuring in the West End in the production (she was cast at the age of 9). That’s when she was told about the heart condition a syndrome, which can cause a tachycardia as well as dizziness and heart flutters. “I was going in and out of rehearsals on an IV drip, and going back into hospital at night.” She skips forward several years, and 17-year-old Jess has entered the girl group Soul Deep while studying at the Brit School. “I just got my first record deal, and I had a brain incident. Then when I was planning to release songs in 2020 I had a car crash and my voice box shifted and I was unable to vocalize for a year.”

Hey, I say, hold on, I can’t keep up. A stroke so young? She nods|agrees

The writer

Joseph Liu

Veterinarian and pet wellness advocate with over 10 years of experience in animal care and nutrition.

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