Jessica Ellen Cornish, 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.

The BRIT School is a British performing and creative arts school located in Selhurst, Croydon, England, with a mandate to provide education and vocational training for the performing arts, music, music technology, theatre, musical theatre, dance, applied theatre, production arts and the creative arts film and media production, interactive digital design, visual arts and design. Selective in its intake but free to attend, the school is notable for its celebrity alumni.