Sporting gems from Stefere Jewelry and a custom-made, Tommy Hilfiger gown made to resemble Cinderella’s ball gown, Zendaya was (literally) glowing as she wore the light-up dress that apparently took”eight people over three months to make.” And though the timeframe seems excessive, it also makes sense, as InStylereports that the 11-pound dress includes 20 carbon fiber rods, 40 meters of LED light strips, 6,000 controllable points of light, and 5 battery packs that produced half a kilowatt of power.