X-Factor winner Louisa Johnson and DJs One Bit join Lauren to reveal and play the tracks they love on their Playlist! They go head-to-head in Race Against the Mic and flex their musical knowledge in Shuffle! And if you wanted more, international pop stars Johnny Orlando and Mackenzie Zeigler teach us how to floss, and Radio 1's Breakfast show host, Greg James, brings you all the hottest pop news! Show less