Usher lit up Las Vegas with a medley of his greatest hits at the halftime of Super Bowl LVIII. Alicia Keys, H.E.R, will.i.am, Jermaine Dupri,Lil Jon, and Ludacris all made cameos, singing some of Usher's biggest hits and most famous duets. Usher performed a medley of his dance-floor-ready hits, including "DJ... read full story