Lip Sync Battle Season 4 Season 4, episode 6 Luis Fonsi vs. Joan Smalls 4.0 / 10 March 1, 2018 25 min Hot-throb artist Luis Fonsi takes on supermodel Joan Smalls. Previous episode Kathy Bates vs. Tone Bell Next episode Pentatonix Battle: Scott Hoying vs. Mitch Grassi vs. Kirstin Maldonado vs. Kevin Olusola
