The Ignition hitmaker employed his sibling Bruce in March (15) and they are said to have made a verbal agreement for him to be given $700 (£400) a week, but Kelly is accused of making him work overtime without pay.

Bruce has filed documents with the state labour board, claiming Kelly made him work 144 hours a week and owes him $11,000 (£7,000) for unpaid work.

Bruce claims he spoke to his brother about the issue, but the matter remained unresolved even when he threatened to quit three months later, according to