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.
Becky Hill Rebecca Claire "Becky" Hill (born 14 February 1994) is an English singer and songwriter from Bewdley, Worcestershire. She rose to prominence after appearing on the first series of "The Voice UK", auditioning with John Legend's "Ordinary People". She joined Jessie J's team and reached the semi-final of the competition. On 29 June 2014 she became the first The Voice UK contestant to score a UK number 1 when the song, "Gecko (Overdrive)" with Oliver Heldens topped the UK Singles Chart.