Halloween fell on a weekend Halloween fell on a Thursday, which means that our famous friends have been sporting costumes for nearly a week now. During that time, we here at VH1 Music have been keeping our eyes on what our favorite musicians—names like Beyoncé, Rihanna, Nicki Minaj, Adam Lambert, Demi Lovato & more—were dressing up as. We’ve collected some of the most memorable looks—be they spooky, sexy, or straight up scary!—in the gallery above and now we’re turning it over to you, the fans. Which musician WON Halloween 2013? Vote in our poll below!