Jessica Ellen Cornish , better known by the pseudonym Jessie J , born March 27, 1988> in Redbridge, England, is a British singer-songwriter, she begins her career career at the age of 11 with a role in the musical Whistle Down the Wind, she studied at the BRIT School before signing with Gut Records and reaching an agreement with Sony / ATV Music Publishing; she is now in contract with the label Lava Records (Universal Music Group). Best known in her debut for composing songs for Rihanna, Justin Timberlake, Alicia Keys, or Miley Cyrus, she released her first single, Do It Like A Dude, in November 2010, which reached 2nd place in the United Kingdom, followed by Price Tag, which became his first number 1>, followed by his album "Who You Are" which reached the 2nd place in the charts.
Six singles from this album, including Nobody's Perfect, Who You Are, Domino or Laserlight (featuring David Guetta), will be ranked in the top 10 of English charts, making Jessie J the first British artist to have 6 singles of the same album in the Top 10. Domino also had success abroad, including the US Billboard Hot 100 (US) reaching 6> place and becoming his second single reaching second place in the UK.
In February 2011, she received the Critics Choice at the prestigious Brit Awards, which announced her as one of the artists to watch. Justin Timberlake says she is "the best singer in the world to date".
In June 2012, she performed on stage at the Queen Elizabeth Diamond Jubilee (anniversary of her 60th birthday) in front of Buckingham Palace.