Modest! Management and Leona Lewis have amicably ended their working relationship after six years together.

Whilst working with the UK management firm, Lewis broke global chart and sales records – and became the first British female artist to debut at Number One in the Billboard Album Charts.

Since working with Modest!, the artist has sold over 20m records worldwide, with single Bleeding Love going to No.1 in 30 countries.

Modest! directors Richard Griffiths and Harry Magee told Music Week in ...