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. After signing with Universal Republic, Jessie J came to prominence following the release of her debut single "Do It Like a Dude". Her next song "Price Tag" topped the charts in nineteen countries including the UK and was followed by the release of her debut albu