What singer born in London in 1988 joined The Voice as a new judge in 2015?
Jessie J Jessica Ellen Cornish (born 27 March 1988), known professionally as Jessie J, is an English singer and songwriter. Born and raised in London, she began her career on stage, aged 11, with a role in the West End musical "Whistle Down the Wind". She studied at the BRIT School before signing with Gut Records and striking a songwriting deal with Sony/ATV Music Publishing.
Diana Vickers Diana Vickers (born 30 July 1991) is an English singer, songwriter, actress and fashion designer, who initially came to public attention as a semi-finalist on "The X Factor" in 2008. In 2009, Vickers signed a record deal with RCA Records and after touring with her fellow finalists from "The X Factor", played the title role in a West End revival of "The Rise and Fall of Little Voice".