Agent Provocateur Sparkle Thong In Wine Red. Feminine florals get a modern makeover in high-glamour Sparkle. This sweet-yet-sexy thong, matching the Sparkle bra, is made from aubergine net tulle with multi-coloured foil and embroidered flowers on the front panel. The rear features a string style silhouette, topped with bows. Pretty crystal droplets add the finishing touches.