Jessie J (Jessica Ellen Cornish), is a 22 years old English singer/songwriter announced as the winner of the BBC Sound of 2011.
Jessie J gained a Sony ATV publishing contract & co-wrote the Miley Cyrus hit "Party in the USA" with producer Doctor Luke and Claude Kelly. In addition, she wrote for Justin Timberlake, Chris Brown (with whom she toured Europe), Alicia Keys and Christina Aguilera.
On 15 December 2010, it was announced that Jessie J had won the Critics Choice award at the BRIT Awards 2011.
Her debut album, Who You Are, is due to be released in 2011.