Kourtney Kardashian

After she and her family made the decision to end their show after 20 seasons in 2021, they began appearing in an all new reality television series titled The Kardashians on Hulu in 2022. They have launched several clothing collections and fragrances, and additionally released the book Kardashian Konfidential in 2010. Kourtney launched her own website called Poosh in early 2019, and a new health brand Lemme in 2022. Kardashian and her siblings are popular on social media and endorse products such as waist slimming pants, beauty products, Coca-Cola, and prescription drugs, for which they are paid (as of 2016) between $75,000 and $300,000 per post on Instagram, Facebook, and Twitter.

Kourtney Mary Kardashian was born in Los Angeles, California, on April 18, 1979, to Robert Kardashian and Kris (née Houghton). She has two younger sisters, Kim and Khloé, and a younger brother, Rob. In 1991, her parents divorced and her mother married Caitlyn Jenner, the 1976 Summer Olympics decathlon winner (formerly Bruce Jenner), later that year. Through their marriage, Kardashian gained stepbrothers Burt, Brandon, and Brody; stepsister Casey; and later half-sisters Kendall and Kylie. Kardashian attended Marymount High School, a Roman Catholic all-girls school in Los Angeles. Following graduation, she moved to Dallas, Texas, to attend Southern Methodist University for two years. Kardashian then lived in Tucson, Arizona. She graduated from the University of Arizona, where she was a member of Alpha Phi, with a bachelor's degree in Theatre Arts and a minor in Spanish. Her classmates included Nicole Richie and Luke Walton. In 1994, her father garnered public attention as an additional defense lawyer for football player O. J. Simpson during his murder trial.

Kardashian first became known to reality-television audiences on the 2005 series, Filthy Rich: Cattle Drive, on which she earned money for charity. In February 2007, a sex tape made by her sister Kim and former boyfriend Ray J in 2003, Kim Kardashian, Superstar, was leaked, which largely contributed to her rise to prominence. Later that year, Kardashian's mother, Kris Jenner met with Ryan Seacrest to pursue a reality television show based on her family. Seacrest, who had his own production company, decided to develop the idea, having the popular family-based show The Osbournes in his mind. The show eventually was picked up to air on the E! cable network, with Kardashian's mother acting as the executive producer. The series debuted on October 14, 2007, and revolved around Kardashian, along with her parents, mother Kris and stepparent Caitlyn as well as her siblings Kim, Khloé, Kendall, Kylie and Rob. The title of their reality television series Keeping Up with the Kardashians, and it chronicles the personal and professional lives of their family members. The series proved successful for E!, the network on which it is broadcast, and led to several spin-offs. In April 2009, Kardashian and her sister Khloe announced that they were contracted to star in a spin-off that would follow their move to launch a D-A-S-H store in Miami, Florida. The series, Kourtney and Khloé Take Miami, debuted on E! on August 16, 2009. Kardashian and her sisters Kim and Khloe made a cameo appearance in the Season 3 premiere of the series 90210. Kardashian and her mother opened children's clothing boutiques called Smooch in the Los Angeles area and New York City; the boutiques carry the brand Crib Rock Couture. With sisters Kim and Khloe, Kardashian co-owned D-A-S-H, a clothing boutique in Los Angeles, Miami, New York City, and a pop-up store in the Hamptons. It shut in May 2018. In the spring of 2010, Kardashian and her sisters released a clothing line for Bebe. In August 2010, Kardashian announced that she and her sisters were working on another clothing line called K-Dash, sold on QVC. Later that year, they also created a sunless tanner called Kardashian Glamour Tan. Kardashian co-wrote the book Kardashian Konfidential with her sisters Khloe and Kim; released in November 2010.

In January 2011, Kardashian and her younger sister Kim appeared as the central cast members in Kourtney and Kim Take New York, alongside her partner Scott Disick and Kim's then-husband Kris Humphries. Later that year, the show was renewed for a second season, which premiered in November 2011. Kardashian made her acting debut with a guest appearance on the ABC soap One Life to Live on March 28, 2011, appearing as attorney Kassandra Kavanaugh. In November 2011 she released a novel Dollhouse along with sisters Khloe and Kim. The Kardashian sisters were spokeswomen for the diet supplement Quick Trim. In March 2012 the three sisters were named in a $5 million class-action lawsuit against QuickTrim. The complaint, filed in the United States District Court for the Southern District of New York, accused the Kardashians, along with QuickTrim's manufacturer Windmill Health Products; the retailer GNC; and others in the sales and marketing chain, of false and deceptive marketing. The plaintiffs, from several states, brought claims under their respective states' consumer protection laws. Kardashian also represents the skincare line PerfectSkin with her sisters, which was developed by Dr. Ron DiSalvo for Perfect Science Labs. The three sisters also released a 20-piece collection of jewelry line for the company Virgins, Saints, and Angels, in March 2010. The jewelry is reflective of their partial Armenian background. On March 26, 2014, E! announced a Keeping Up with the Kardashians spin-off series titled Kourtney & Khloé Take the Hamptons. The Hamptons follows Kourtney, Khloé, and Scott Disick as they relocate to The Hamptons while the girls work on the New York Dash store plus open a pop-up store. In 2017, Kardashian launched her first solo fashion line as part of a collaboration with the site PrettyLittleThing. According to the website, the 32-piece line was inspired by Studio 54, classical Hollywood cinema, and the 1970s. She endorsed Calvin Klein along with her sisters in 2018. In the same year, she partnered with half-sister Kylie to launch a collection of lipsticks and palettes with Kylie Cosmetics.

On March 5, 2019, Kardashian released her lifestyle website named Poosh. In November 2019, Kardashian partnered with her sisters Kim and Khloé to create three new perfumes (one for each sister) for Kim's brand KKW Fragrance. The collection introduces Yellow Diamond (Kourtney's fragrance), Pink Diamond (Khloé's fragrance) and pure Diamond (Kim's fragrance). Each scent is individually inspired by and unique to her, Kim, and Khloé. In 2021, Kardashian and her family announced that their reality show, Keeping Up With the Kardashians, would be ending after twenty seasons and almost 15 years on air. Also in 2021, Kardashian made a cameo in the teen romantic comedy film He's All That, appearing as Jessica Miles Tores, a woman who sponsors on social media. On September 12, 2022, Kardashian announced the launch of her new health brand Lemme, which started selling three products. The brand specialises in vitamins and gummy supplements. In April 2022, Kardashian and her family returned to the television screens with their brand new reality television show, titled The Kardashians, after they left the E! Network to join Hulu. The show features Kardashian, alongside her sisters Kim, Khloe, Kendall and Kylie, and mother Kris Jenner, it also features Kardashian's ex Scott Disick, as well as her husband Travis Barker, other current and former partners that also appear in the show include Tristan Thompson, and Corey Gamble, with Kanye West making a guest appearance. The first season premiered on April 14, 2022, and its ten episodes can be streamed exclusively on Disney+. Later in 2022, the show was announced to be returning for a second season, which officially premiered on September 22, 2022. In late 2022, it was announced that the show had been officially renewed for a third season, set to premier in the first half of 2023. The third season officially aired on May 25, 2023.

In October 2019, Kardashian and her children were baptized in an Armenian Apostolic ceremony at the Etchmiadzin Cathedral in Vagharshapat, Armenia. During the ceremony, she was christened with the Armenian name Gayane. In October 2020, Kardashian posted messages and retweets in support of Armenia and Artsakh in regards to the Nagorno-Karabakh war.

From 2006 to 2015, Kardashian was in an on-again, off-again relationship with Scott Disick. Kardashian has three children with Disick: two sons and one daughter. Kardashian and Disick's relationship was featured on Keeping Up With the Kardashians and its numerous spin offs. Kardashian's pregnancies and the births of the first three of her children were also featured on the show. Kardashian was in another on-again, off-again relationship with model Younes Bendjima from 2016 to 2020. In January 2021, it was confirmed that Kardashian was in a relationship with musician Travis Barker. In October 2021, Kardashian and Barker got engaged after he proposed to her at a beachside hotel in Montecito, California. They had an unofficial wedding on April 3, 2022, in Las Vegas, after the 64th Annual Grammy Awards. The couple officially married on May 15, 2022, in Santa Barbara, California, with a religious wedding ceremony in Portofino, Italy on May 22, 2022. On November 4, 2023, it was announced that the couple's first child, a son, had been born. Before becoming naturally pregnant with her son, she went through five failed cycles of IVF and three retrievals.

Kardashian, Kim; Kardashian, Kourtney; Kardashian, Khloé (2010). Kardashian Konfidential. St. Martin's Press. ISBN 978-0-312-62807-9. Kardashian, Kim; Kardashian, Kourtney; Kardashian, Khloé (2011). Dollhouse. William Morrow and Company. ISBN 9780062063847.