The previously unreleased track "Put It Up" is a slinky, sexy number that was reportedly intended to appear on Brown's last album. Rihanna, however, wouldn't let him release the track after the two broke up for the second time.
Rihanna previews her new song "American Oxygen" in the new March Madness commercial. RiRi, clad in a T-shirt and jeans, sways in front of a faded American flag.