Vintage 2000 Christian Dior by John Galliano Trompe L'oeil Denim Print Silk Bias Cut Dress Timeless Vixen Y2k Denim Dress Etsy The early #2000s trend of wearing dresses over jeans was a popular #y2k era look, often featuring a long dress, like a babydoll or slip dress, layered over flared or skinny jeans. Dress Over Jeans Trend From the 2000s PS Fashion The early #2000s trend of wearing dresses over jeans was a popular #y2k era look, often featuring a long dress, like a babydoll or slip dress, layered over flared or skinny jeans.