See All the Stars on the Billboard Awards Red Carpet!

The Billboard Music Awards went down in Las Vegas on Sunday, and music's biggest and brightest stars made their way to the MGM Grand Garden Arena for all the fun. Before heading inside to watch Chrissy Teigen and Ludacris host the big show, stars like Jennifer Lopez, Britney Spears, and Kendall and Kylie Jenner hit the red carpet to pose for photos; Taylor Swift also arrived with her posse of girlfriends before debuting the video for "Bad Blood" at the beginning of the show. Keep reading to see all the celebrities who popped up at the Billboard Music Awards!