2000s Diesel Two Tone Denim Dress Size S M Trash Archive Forever 21 Jean Dress Small Denim Overall Colorblock Mini Zip Fringe Y2K 2000s 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. 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.