Empire star will appear with Madge in "Ghosttown," directed by Jonas Åkerlund.
The Rebel Heart singer has some thoughts on why she hasn't met President Obama.
Music from popular TV series beats Madonna's Rebel Heart for the top spot.
Madge says she and Elvis Presley have a right to be "inspired" by other cultures.
Madge pulls Nas, Nicki Minaj, Chance the Rapper for latest.
Rihanna, Madonna, Sam Smith and Iggy Azalea among performers.