Mimi's net worth is estimated to be $5 million. She has made her money through her successful career as a singer and actress. She has released several albums and starred in many movies and television shows. Her most recent album, 'E=MC2', was a huge success, selling over two million copies. She has also made appearances in popular films such as 'The Devil Wears Prada' and 'Marley & Me'. In addition to her singing and acting career, Mimi has also made money through endorsement deals with companies such as Coca-Cola and L'Oreal. She also has her own line of perfume, jewelry and clothing.