"It is made of incredible rubber and neoprene. It has wires running throughout because it has lamps that actually light up with a battery pack on our backs... We would be in the middle of this extraordinary giant set and they'd say, ‘Turn on the suits!' And suddenly you'd hear, ‘Bling!' and everyone would start glowing." Actress Olivia Wilde beams about the light-up costumes on the set of her new sci-fi movie Tron.