It's time for the Best and Worst dressed of the 2013 Billboard Music Awards. br br Jennifer Lopez looked simply ravishing and glamorous in a low-dip glimmering gold gown. Selena Gomez looked simply ravishing and hot in her white Atelier Versace gown with green and pink neon highlights. br Taylor Swift, showed off her legs in a blue Zuhair Murad mini dress. Chris Brown who showed up in a casual sweatshirt, jeans, and sneakers. Kesha looked completely unrecognizable with a tame look, the slit up her black mini dress was slightly revealing.