While Jay Z is busy expanding his Roc Nation empire beyond music and into the fields of "sports management and other interests", Rita Ora has been busy suing him for not looking after his bread and butter.

Ora filed her suit yesterday,  Thursday 17th, and it reads: "When Rita signed, Roc Nation and its senior executives were very involved with her as an artist... As Roc Nation’s interests diversified, there were fewer resources available and the company suffered a revolving door of executives. Rita’s remaining supporters at the label left or moved on to other activities, to the point where she no longer had a relationship with anyone at the company... Between Sony’s limited economic return from its orphaned relationship with Roc Nation and Sony’s indirect relationship with Rita, Rita is caught in a political quagmire of dysfunction."

Us Weekly reports that: "Ora originally signed with Roc Nation back in 2008, when she was 18 years old. Now that it’s been seven years since, she can potentially invoke California’s “seven year rule.” (The British singer now resides in California)... Ora’s main complaint is that she is currently 'self-funding her promotional television appearances, recording costs and video projects' now that she’s been 'orphaned' by Roc Nation after it switched distribution partners from Sony to Universal - but left her behind at Sony."