Jessica Ellen Cornish (born 27 March 1988), better known by her stage name Jessie J, is an English singer and songwriter. Born and brought up in London, England, she studied at the BRIT School before signing with Gut Records and striking a songwriting deal with Sony/ATV Music Publishing where she wrote for artists including Chris Brown and Miley Cyrus.
Citing various influences, Jessie J is recognised for an unconventional musical and performance style that mixes soul vocals with contemporary R&B, pop, electropop, and hip-hop beats. Jessie J has garnered various awards and nominations for contributions to the music industry, including the 2011 Critics' Choice BRIT Award and the BBC's Sound of 2011. As of April 2012, Jessie J had sold over 11 million singles and 2.5 million albums, worldwide.