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Media attention - The Kardashians first gained media attention thanks to Kim's friendship with Paris Hilton.

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Reality show - In October 2007, their own reality show aired for the first time on E!.

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'Keeping Up With The Kardashians' - But 'Keeping Up With The Kardashians' wasn't actually Kourtney's first reality show experience.

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'Filthy Rich: Cattle Drive' - The star appeared in a reality show called 'Filthy Rich: Cattle Drive,' which aired on E! in 2005.

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'Filthy Rich: Cattle Drive' - That was exactly one year before Kim's sex tape leaked.

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Fun fact - After her parents, Kris and Robert, divorced, Kourtney wore black for five years straight.

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Graduation - Kourtney holds a degree in Theatre Arts and has a minor in Spanish.

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Degree - She graduated from the University of Arizona and is the only female Kardashian to hold a degree.

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First job - Her first job after she graduated was as a movie production assistant.

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First job - The socialite had to yell "cut" and "rolling" all day.

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Like father - Her initial dream was to become a lawyer, like her dad.

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Law school - She even applied to law school, but eventually decided not to go.

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Smooch - After her graduation, she went back to Los Angeles to open a children's clothing boutique called Smooch with her mother.

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Passion for fashion - She has always had a passion for fashion, ever since she was a child.

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Designing clothes - Kourtney used to have her own sewing machine when she was a kid, and loved making clothes for herself and friends.

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Style evolution - Kourtney's style has seriously evolved the past years.

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January 30, 2009 - The TV personality chose to wear a little golden dress at the 6th annual Leather And Laces Celebration.

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ESPY Awards - Kourtney Kardashian and pre-transition Caitlyn Jenner arriving at the 2008 ESPY Awards held at the former NOKIA Theater Los Angeles.

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Vintage Versace - The socialite attended the Wildfox Swim Cruise 2014 VIP BBQ in Miami wearing a vintage Versace dress.

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Mom of three - The reality tv star showed off her baby bump at a party in the Hamptons in a white catsuit while pregnant with her third child, Reign.

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Floral - Kourtney didn't go unnoticed at Elton John's annual Oscars viewing party in this floral ballgown.

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Front row - The Kardashian sisters sitting in the front row of the Jill Stuart Spring 2011 fashion show in 2011.

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Valentine - The former couple made an appearance at a nightclub in Las Vegas on Valentine's day 2011.

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Little black dress - Every respectable fashionista owns a black cocktail dress, and Kourtney is no exception.

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Black and white - Kourtney looked extra chic at Elton John's annual Oscars viewing party in March 2014.

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All white - The Kardashian sister seems to have been inspired by her mother, Kris, with her slicked back hair and three-piece suit.

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At the Alice + Olivia presentation - When she's not wearing suits and dresses, she likes wide-leg jumpsuits.

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Balmain - While they all went for black for Cosmopolitan's 50th birthday celebration, Kourtney opted for an elegant Balmain jumpsuit.

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Pencil dress - Kourtney appeared in an olive green dress by Alice + Olivia at the Stylemakers event.

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Strapless - Kourtney turned heads at the InStyle Golden Globe afterparty by wearing a sequin strapless dress with a sexy split.

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White on white - She definitely knows how to rock a white suit.

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Pretty Little Thing - Here she opted for this black body-con dress at the launch of her collection for 'PrettyLittleThing.'

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Black on black - Kourtney sent temperatures soaring in this black ensemble in the company of her ex-boyfriend, Younes Bendjima.

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Pantsuit - The fashionista pulled out a sparkling black suit by Christian Siriano at the 2019 CFDA Fashion Awards.

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Pink - At the grand opening of Sugar Factory in Atlantic City, the fashionista showed her legs in a stylish pink blazer dress from Marina Moscone.

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Slip dress - A slip dress is always a good idea, and Kourtney knows it too well.

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All black - The sisters looked exquisite in black at the LACMA Art + Film Gala that took place in November 2018.

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Black again -

Black is clearly one of her favorite wardrobe colors.

See also: Kim Kardashian's style in 30 pictures.

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