(IDEX Online) - US rapper Pharrell Williams has been showing off his SECOND pair of Tiffany & Co diamond-encrusted sunglasses.The 50-year-old multiple Grammy Award wore his first custom made pair - an almond-shaped frame with two emeralds and 61 round diamonds, weighing more than 25 carats - at Paris Fashion Week last January.At the time he joked: "Tiffany and I are engaged," and said the sunglasses were the "first of many things that I'm gonna do with Tiffany."On Tuesday night he wore a new pair, this time an inverted teardrop design with over 20 carats of round brilliant and baguette diamonds.He was launching his debut menswear collection for Louis Vuitton in Paris, at a star-studded event attended by Beyonce, Jay-Z, Zendaya and Lewis Hamilton.Pic from Tiffany & Co's LinkedIn post, with (inset) Pharrell's first pair of diamond sunglasses.