Celebrate the pop icon's birthday with a look back at her unforgettable 2000s fashion.

As fashion continues its inevitable cycle, Y2K&nbsp;style&mdash;in its glizty, ultra-feminine glory&mdash;has found its way back to the mainstream, dominating runways and social media feeds alike. With that comes the resurged veneration of 2000s&nbsp;icons like Paris Hilton and Nicole Ritchie&nbsp;but no one better exemplifies the time period as a whole than Britney Spears.&nbsp;Once plastered on posters and magazine spreads in teen girls&#39; rooms, the girl next door turned pop princess will always be remembered for hits like &quot;Oops!...I Did it Again&quot; and &quot;...Baby One More Time.&quot;

Along with these, Spears was the peak of early aughts fashion, frequently outfitted in crop tops, low-rise denim, and plenty of bedazzling. To celebrate the singer&#39;s 39th birthday, L&#39;OFFICIEL gathers some of her best style moments to replicate as Y2K style reigns supreme.

At a pre-Grammy party, Spears gives notes of luxe loungewear with fur-hemmed pants and sheer voile.

Rimless sunglasses, worn here with a playful, embellished sweater, are making a comeback.

An alternative to the naked dress, Spears rocks a nude, embellished two-piece at the 2000 VMAs.

Spears poses in front of the Eiffel Tower in a wrap halter top, low-rise trousers, and platform heels.

Spears shines in a low-cut gray jumpsuit at the 2000 AMAs.

On stage, Spears pairs a strappy, cropped tank with vinyl pants.

Low-rise, flared pants—seen here in an electric blue snakeskin print—were an onstage staple for Spears.

Spears adds girlish flair to baggy jeans with a ruched pink top and matching fur jacket.

It's safe to say that Spears and Justin Timberlake's matching denim outfits have earned their place in fashion history.

The singer reps haircare brand Tigi with a crop top, sweatpants, and crimped hair to match.

Print and texture gives a maximalist feel to this look, topped with Y2K-approved accessories.

The pop star matches a scarlet cropped jersey and belt.

Here, Spears keeps things simple with a white long sleeve top and lace-up leather pants.

The singer softens up black, studded trousers with a tie-dye crop top and matching knit hat.

The Mississippi-born artist nods to her Southern roots in a pink cowgirl hat.

Spears finishes off her look with a patch-adorned denim vest, bamboo-handle purse, and pageboy hat.

Thanks to Spears and other Juicy Couture-wearing celebrities, the classic, low-rise tracksuit is now a hot commodity on DePop.

Britney Spears' Best Y2K Style Moments That Defined The 2000s

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