Kim wore this lace-trimmed red dress to her first big birthday bash at TAO nightclub in Las Vegas, where she rang in 26 with then-beau Nick Cannon and ex-BFF Paris Hilton.
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A week after Keeping Up With The Kardashians first aired on E!, Kim partied in a sparkly gold number at Les Deux in Hollywood on her big day.
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One party just wasn't enough this year, so the star hit up Jet nightclub in Vegas for round two in a sultry grey bandage dress.
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Then-boyfriend Reggie Bush joined Kim for her 28th birthday celebration at LAX nightclub, where she went for a sophisticated look in an emerald green gown with soft waves.
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Loyal KUWTK fans will forever remember this birthday for Scott Disick's drunken rampage through the Venetian (as documented on the show), but we can't get Kim's faux mohawk, super sparkly mini and black ankle booties out of our heads either.
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Following the family drama in Vegas, Kim had a second celebration on her actual birthday in this one-shoulder red velvet leopard print mini.
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Kim rang in the big 3-0 at TAO in Las Vegas, looking better than ever in this super short, super sparkly chrome number with silver accessories.
This year marked her first official birthday while dating now-husband Kanye West— the couple stepped out in full-on Catwoman and Batman costumes at Kim's joint birthday-Halloween bash.
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Kim's love affair with lighter looks started here at her 33rd birthday, where she wore this white lace matching crop top-skirt combo.
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Kim went back to her OG birthday spot, TAO, to celebrate her 34th birthday, wearing a plunging white midi and slicked back hair.
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Last year, a very pregnant Kim didn't want a lavish birthday party, so instead, husband Kanye threw her a surprise celebration at a luxury movie theater (where friends and family wore fake baby bumps in honor of her pregnancy).
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Instead of inviting her fans to celebrate her birthday at a club this year, Kim brought some of her biggest fans and subscribers to brunch at the Four Seasons, where she hid her growing pregnancy belly in this black-on-black look.