Jessie J’s former manager is reportedly trying to make the star pay him a fifth of her earnings for the rest of her life. According to The Mirror, Raymond Stevenson claims he discovered Jessica Ellen Cornish at school when she was 15 and turned her into the star she is today. The 23-year-old British singer is now signed to Universal Republic and Crown Management, but Stevenson has started a legal battle, arguing she is still legally under contract to him and that he wants 20 per cent of her earnings for life. A source told the newspaper: "Raymond Stevenson was hugely influential over her in the early days." Crown Management refused to comment.