According to okmagazine- Barbadian beauty Rihanna has been a threat to Jay z and Beyonce marriage:

A recent date night in West Hollywood between Beyonce and Jay z turned ugly, and it was all because of Rihanna. The Barbadian beauty has been causing issues in Bey's marriage to Jay Z for years now, ever since he signed her to his record label when she was a teenager. And Bey has had enough!