The "new" little black dress, which was designed by Philips and B. Akerlund, used light-infused, curve-hugging fabric to light up with the beat of the music. Of course, Fergie wasn't the only one outfitted in light — Will.i.Am wore a crazy pink plastic helmet, which you can see (along with more pics of Fergie's dress) in the slideshow!
The New LBD: Get a Closer Look at Fergie's Billboard Music Awards Light Dress
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