50 Cent and Madonna have been going back and forth on social media. Ever since the 80’s Pop icon shared a titillating photo of herself, with her thong-wearing butt posing at the camera while she hid herself under a bed, 50 unleashed a string of jokes on the hitmaker. That was soon followed by a … “50 Cent Trolls Madonna, Then Apologizes, She Refuses The Apology, Then He Trolls Her Some More!”