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Hilary Duff - 2003 For anyone who wanted a cute but comfortable outfit for the night, graphic tees and mini skirts were a go-to

Casual was at its highest level and seen as glamorous. With the likes of Paris Hilton, Lindsay Lohan, and Britney Spears leading the charge, having fun with your personal style was key in the Y2K era

Mango Ruffled floral dress, $29.99, Mango Realisation Par The Ozzie dress $170, Realisation Par Branded Tracksuits One word sums up early-2000s fashion, and it was emblazoned in rhinestones across the butts of pop stars and hotel heiresses everywhere: "JUICY." Juicy Couture track suits were the must-have item of the aughts, worn by Britney, Beyonc, J.Lo, Lilo, Paris, and every other celeb you tore out of Teen Vogue and stuck to your wall

Selena Gomez - 2007 Its indisputable that a dress-over-pants outfit is one of the most recognizable signs of 2000s style

For the ultimate Carrie accessory, consider the Fendi Baguette