TikTok star Addison Rae wore a black Mugler cutout gown adorned with satin fabric and mesh side panels, paired with Jimmy Choo sandals. (She later took the stage in a Valentino bustier and black silk trousers, paired with a Bulgari diamond necklace.) Addison Rae poses backstage at the 2020 Billboard Music Awards, broadcast on October 14, 2020 at the Dolby Theatre in Los Angeles, CA.