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Image source: StarsUnfolded

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Jessie J Biography: Age, Career, Family and More

F4U Editorial Desk • Updated October 5, 2026 • 3 min read

Quick Info

Date of birth27 March 1988

Age37 Years

BirthplaceLondon, England, UK

ProfessionSinger, Songwriter

NationalityBritish

Marital statusUnmarried

FamilyFather - Stephen Cornish; Mother - Roes Archer; Sisters - Rachel Cornish, Hannah Cornish

Net worth$8 million

Jessie J Biography

British singer-songwriter Jessie J (Jessica Ellen Cornish) rose from musical theatre training to pop stardom with her debut album and hit singles. Known as

Early life and background

Jessica Ellen Cornish was born in London on 27 March 1988. She grew up in the city and attended Mayfield High School before continuing her musical education at Colin’s Performing Arts School, the National Youth Music Theatre and the BRIT School, where she earned a diploma in music. Music featured early and centrally in her life; she has cited inspirational figures such as Whitney Houston and Michael Jackson among her influences.

Family and personal details

Jessie J is the daughter of Stephen Cornish and Roes Archer and has two older sisters, Rachel and Hannah Cornish. She was raised in Britain and is identified as British by nationality. Physically, she is commonly described as tall and slim, with green eyes and brown hair. Her public profile lists her religion as Lutheran and her astrological sign as Aries.

Career

Jessie J began performing on stage, making an early professional appearance in the West End production of Whistle Down the Wind. She later transitioned into the pop music world as a singer and songwriter. Her debut single as a recording artist was “Do It Like a Dude,” and her first studio album was Who You Are, released in 2011.

Before breaking through as a recording artist, Cornish worked as a songwriter under a deal with Sony/ATV, penning material for other artists including Chris Brown and Miley Cyrus. Across the early years of her recording career she found commercial success, with a reported tally of millions of singles and albums sold within a few years of her debut. In addition to recording and writing, she has served as a coach on televised singing competitions, appearing on The Voice Australia and The Voice UK.

Musical style and output

Jessie J’s work draws from a range of styles, blending soul, R&B, electro-pop and hip-hop elements. She has written prolifically, with reports indicating she has penned hundreds of songs. Her approach to performance emphasizes live vocals; she has expressed a strong preference for singing live rather than lip-synching.

Public profile

Jessie J has been open about health challenges she has faced, including a heart condition described as Wolff-Parkinson-White syndrome that has affected her during performances. She has also shared that a period spent in hospital inspired the song “Big White Room.” In public appearances she has combined music with visible acts of charity; for example, she shaved her head for Comic Relief on Red Nose Day 2013 to raise funds for charity.

Her public persona includes a fondness for social media, where she has been an active presence on platforms such as Twitter and Instagram. She lists hobbies like cooking and socializing, and has spoken about a broad set of musical and cultural favorites, from Lauryn Hill and Whitney Houston to Michael Jackson. Personal life disclosures over time have included changes in how she describes her sexuality; more recently she has stated she is interested in men.

Latest updates

In June 2025 Jessie J disclosed a diagnosis of an early form of breast cancer. This is the most recent major health announcement documented in available public summaries.

Public engagements and notable moments

Across her career Jessie J has participated in high-profile live events. One notable appearance was at the Summertime Ball at Wembley Stadium, where despite a foot injury she performed seated on a gilded throne. She has involved herself in moments that connected directly with fans, including performing with a young fan battling leukemia.

Her catalogue and stage work remain central to her public identity: a classically trained performer who moved into contemporary pop and songwriting, Jessie J continues to be recognized for her powerful voice, prolific writing and visible commitment to live performance and charitable causes.

Editorial Review and Sources

This F4U profile is written from publicly available career and profile information, then reviewed for clarity before publication. If you spot an outdated detail about Jessie J, send the page URL and a reliable correction source to f4udotin@gmail.com.

Reference context: StarsUnfolded
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Recent Work

Who You Are

Debut studio album released in 2011

2011
Do It Like a Dude

Debut single

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Career Highlights

  1. West End debut in Whistle Down the Wind
  2. Debut single: Do It Like a Dude
  3. Debut album: Who You Are (2011)
  4. Songwriting for other artists under a Sony/ATV deal
  5. Coach on The Voice Australia and The Voice UK
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Net Worth

$8 million

Figures are editorial estimates based on publicly available reporting and may change as new information emerges.

Reviewed by F4U Editorial Desk

F4U profile pages are prepared from public career information, checked for readability, and updated when reliable correction sources are shared with the editorial team.

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Frequently Asked Questions

When was Jessie J born?

Jessie J was born on 27 March 1988.

What is Jessie J known for?

Jessie J is known for singer, Songwriter.

What is Jessie J’s marital status?

Jessie J's marital status is listed as Unmarried.

What is Jessie J’s net worth?

Jessie J's net worth is commonly listed as $8 million, based on available public profile information.