Mariah Carey claims the 2000s low rise jeans trend was her idea Project Alabama 2000s Incredible Hand Crafted Faces Dress, Rare 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. Denim outfits you can create for a 2000s fashion collection 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.