Happy Birthday, Justin Bieber AND Ke$ha! Today Biebs turns 19 while Pop's Dirty Girl welcomes 26. The two artists' careers have gone head-to-head in recent years—both have No. 1 albums, chart-topping singles and massive world tours. So to determine who really owns March 1, Fuse is pitting each artist's songs, albums, videos and collaborations against each other, and collecting readers' votes, in order to crown a champion. It's March madness—click "next" and vote now!
Currently on his 'The Man of the Woods' tour, Justin Timberlake brought out a special guest for his Cleveland show. LeBron James surprised concertgoers by showing up alongside Timberlake and taking a shot on stage. On Friday, the singer was also seen cheering on LeBron during the Pelicans and Cavaliers game. James gave a shout out on Instagram, "My brother @justintimberlake showed up and showed out last night at the Q! One of the greatest to ever do it in my lifetime and still going strong."