Why Gen Z Is Dressing Like the 2000s Again And What Comes Next 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. 20 Nostalgic Y2K Trends That Are Back in Fashion Every '00s Girl Thought These 29 Outfits Were The Epitome Of Fashion, But I'm Sorry To Say We Were So, So Wrong 2000s Fashion Is Making A Comeback It Must Be Stopped