Kelly Clarkson hosted the 2018 Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas last night. The Voice judge also took to the stage to perform, so too Ariana Grande, Dua Lipa, Shawn Mendes, Khalid, Normani, Zedd, Ed Sheeran, Maren Morris, Gray, John Legend, Demi Lovato, Christina Aguilera, Jennifer Lopez, DJ Khaled, Macklemore, Kesha, Camila Cabello, BTS, Pharrell Williams, Salt-N-Pepa, En Vogue and Janet Jackson, who also received the Icon Award.