Yes, 1990. To me, this looks like it could have been designed by an American sportswear designer like Joset Walker or Carolyn Schnurer in the 1940s, but this midriff baring ensemble from 1990 is by Gianfranco Ferre. The top is in stretch jersey with the matching pants in silk crepe de chine. Bare midriffs were a hot trend in the early 90s. In the coming years, waistlines of pants and skirts will drop to reveal even more, but for now they remain at the natural or high waist. Check out this post of mine from 2009 about bare midriffs from 1945 for a comparison. And here are more looks from 1990 and 1991.