Chart-Topping Style: The Billboard Music Awards LooksFrom minis to sequins, see what Jennifer Lopez, Jordin Sparks, Kesha and more stars wore on the red carpet in Las Vegas

JORDIN SPARKS

It's over 90 degrees in Vegas right now, so we totally don't blame the American Idol alum for fighting frizz with some cornrow braids and a pony. She teams her pulled-back hairstyle with a black sequin halter dress and orange danglers.