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

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

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

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

▲That was exactly one year before Kim's sex tape leaked.

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

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

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

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

▲The socialite had to yell "cut" and "rolling" all day.

▲The TV personality chose to wear a little golden dress at the 6th annual Leather And Laces Celebration.

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

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

▲

The "funny sister" of the Kardashian klan turns 40 and has surely come a long way when it comes to fashion. The successful entrepreneur can pull off almost anything and still look exquisite, but that doesn't mean that her fashion moments weren't filled with ups and downs.

Click through the gallery and take a look at some of her most memorable fashion moments.

▲Her initial dream was to become a lawyer, like her dad.

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

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

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

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

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

▲Kourtney looked extra chic at Elton John's annual Oscars viewing party in March 2014.

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

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

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

▲When she's not wearing suits and dresses, she likes wide-leg jumpsuits.

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

▲She definitely knows how to rock a white suit.

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

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

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

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

▲

Black is clearly one of her favorite wardrobe colors.

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

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

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

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

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

▲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.

▲Kourtney's style has seriously evolved the past years.

Kourtney Kardashian: 40 years of style

The socialite turns 40 on April 18

17/04/19 por StarsInsider

CELEBRITY Kourtney kardashian

Click through the gallery and take a look at some of her most memorable fashion moments.

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