11 Early 2000s Fashion Trends That Are Back Best Y2K 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. Dress Over Pants: Is There A Stylish Way Of Wearing It Sans The Y2K Nostalgia? 2000s Fashion: My 2002 Denim Dress Nostalgia Vintage Y2K Jeans Dress Denim Blue 2000s Cotton S Etsy Dresses Over Jeans: A Retrospective : r Fauxmoi