The Billboard Music Awards takes place this Sunday, where Britney Spears will open the show with a medley of her greatest hits (she's accepting a Billboard Millennium award), but trust that the entertainment will start even earlier at its anything-goes red carpet. Think rainbow jumpsuits, crop tops, and half of Taylor's squad hitting the event to support her as she sweeps *all* the awards. Follow as we update live with the best looks of the night.
Hahn in Altuzarra, Kunis in Zuhair Murad, Bell in Jonathan Simkhai.
In Calvin Klein.