Jessica Ellen Cornish, popularly known as Jessie J, is a well-known English singer and songwriter. Known for her unconventional music style, which mixes soul vocals with pop, electropop, and hip-hop, Jessie garnered much fame at a young age. She has also earned several awards and nominations, such as the 2011 ‘Critics' Choice Brit Award' and 'BBC's Sound of 2011.’ Her career began at the early age of 11, when she was cast in 'Whistle Down the Wind,' a musical by English composer Andrew Lloyd Webber. Later, she joined the ‘National Youth Music Theater’ and appeared in the theater’s production of ‘The Late Sleepers,' which premiered in 2002. She came into prominence in 2011 with her debut studio album 'Who You Are,' which released on February 28. The album was a huge success, selling 105,000 copies in the UK, and 34,000 copies in the US, within the first week of its release. It also debuted at number two on the ‘UK Albums Chart,’ and at number 11 on the ‘US Billboard 200.’ Jessie is also known for her charity works, and has been involved with charities like 'Children in Need' and 'Comic Relief.'