Description:Billboard.com reports that Shakira's ex-boyfriend, Antonio de la Rua, sued the singer for at least $100 million in damages for an alleged breach of contract and fiduciary duty. The suit says, ""De la Rua spent more than six years building the Shakira brand into one the most valuable pop-star brands in the entertainment industry." The suit notes that Shakira promised to honor Antonio as a business partner before they broke up, but then decided to terminate him as a regular employee.(1:11)