6 ways to style dress over jeans as the controversial Y2K trend makes a comeback for autumn 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 Pants? Why not.. When discussing fashion trends of the by Starryli Medium 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.