Then & Now Pics of the Ladies You Loved in the Early '00s Show How Some Things Never Change

My love of pop culture runs deep and the height of my celebrity obsession definitely involves those stars who peaked during the early '00s. There was more than enough guy eye candy to feast your eyes on at the beginning of the new millennium, but let's not forget about the amazing women who also ruled the scene... many of whom still do. From Tyra to Gwen to Queen Bey, here are then and now photos of our favorite early aughts lady celebs. They may have changed, but they're still 100 percent fierce.

Then: Gwen Stefani

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Stefani’s signature look was a mesh crop top over a sports bra.

Now: Gwen Stefani

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Now, she’s a modern Marilyn Monroe with red lips and well-coiffed platinum hair.

Then: Britney Spears

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Oh, hey, remember that time BritBrit danced with a live snake?

Now: Britney Spears

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She’s still the Princess of Pop, now with her very own show in Vegas.

Then: Christina Aguilera

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She always had killer pipes, even if her style was a little… confusing.

Now: Christina Aguilera

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The epitome of class, she’s now a mom of two kids.

Now: Jessica Biel

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Mrs. Justin Timberlake has made her way to the big screen with movies like Total Recall and Playing For Keeps.

Then: Jessica Simpson

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She was famous for her insane voice and for her relationship with boy-bander Nick Lachey.

Now: Jessica Simpson

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She may not be making music anymore, but she has elevated the celebrity fashion designer to a whole new level. Have you seen her shoes?

Then: Jessica Alba

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The Honey star was the hot girl next door then…

Now: Jessica Alba

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…and remains the hot girl next door now. She also runs a company that makes organic cleaning products.

Then: Tara Reid

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The American Pie darling is basically a living symbol for the early ’00s.

Then: Mila Kunis

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She was only 14 when she starred as Jackie on That ’70s Show.

Now: Mila Kunis

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She’s engaged to her former co-star Ashton Kutcher and pregnant with his baby.

Then: Hilary Duff

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The Lizzie McGuire star made you want temporary blue streaks in your hair.

Now: Hilary Duff

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She just released a new pop song and is heading back to television.

Then: Lindsay Lohan

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The early ’00s were the height of LiLo’s career.

Now: Lindsay Lohan

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After years of drug and alcohol abuse, the starlet is allegedly trying to stay clean and is currently acting in a play in London.

Then: Naomi Campbell

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Intimidatingly gorgeous. According to the housekeeper she allegedly threw that cell phone at, just plain intimidating would work, too.

Then: Pink

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She provided the tough edge in a sea of softer pop stars.

Now: Pink

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Both her voice and her body prove to be crazy powerful. Have you seen that Grammys performance?

Then: Julia Stiles

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The 10 Things I Hate About You actress was impossibly cool.

Now: Julia Stiles

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She has a fantastic web series on WIGS and will star in the upcoming adaption of children’s novel The Great Gilly Hopkins.

Then: Alicia Keys

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The “Fallin’” singer made you feel.

Now: Alicia Keys

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This girl continues to be on fire. (Not literally.)

Then: Kelly Osbourne

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She was best known as the rebellious daughter of Ozzy Osbourne.

Now: Kelly Osbourne

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She has a seat on Fashion Police and perfect lavender hair.

Then: Avril Lavigne

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The “Sk8r Boi” singer was a big fan of ironic tee shirts and red eyeliner.

Now: Avril Lavigne

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Her music has a far poppier sound, but she still likes ironic tee shirts.