Who Am I?

Another famous celebrity waits to be uncovered in today's Who Am I? The usual ten clues are set out below to help you unravel their identity.

01 My middle name is Jade.
02 I am 25 years old.
03 I am a singer songwriter.
04 I sing soul, jazz, rock and roll, and R&B.
05 I made my debut album 'Frank' in 2003.
06 My husbands name is Blake Fielder-Civil.
07 I was born in the Southgate area of Enfield, London.
08 When I was 10 years old I formed a rap group called Sweet and Sour.
09 I won the Ivor Novello songwriting award three times 2004,2007,2008.
10 My record label is Island,Republic(US).

Do you know who this mystery celebrity is?