Kourtney Kardashian

From left, Khloe Kardashian, Lamar Odom, Kris Jenner, Kendall Jenner, Kourtney Kardashian, Kanye West, Kim Kardashian, Caitlin Jenner and Kylie Jenner attend Kanye West Yeezy Season 3 in Manhattan on Feb. 11, 2016.

TV personalities Kourtney Kardashian and Kylie Jenner attend InStyle and Warner Bros. 73rd annual Golden Globe Awards post-party at The Beverly Hilton Hotel in Beverly Hills on Jan. 10, 2016.

TV personality Kourtney Kardashian attends the alice + olivia by Stacey Bendet and Neiman Marcus present See-Now-Buy-Now Runway Show at NeueHouse Los Angeles in Hollywood on April 13, 2016.

TV personalities Khloe Kardashian, Kourtney Kardashian, Kim Kardashian, Kris Jenner and Kylie Jenner attend Cosmopolitan's 50th Birthday Celebration at Ysabel in West Hollywood, California, on Oct. 12, 2015.

Kourtney Kardashian attends the Inaugural Variety and WWD StyleMakers event in Culver City, California, on Nov. 19, 2015.

TV personality Kourtney Kardashian and makeup artist Joyce Bonelli attend the 2015 Baby2Baby Gala presented by MarulaOil & Kayne Capital Advisors Foundation honoring Kerry Washington at 3LABS in Culver City, California, on Nov. 14, 2015.

While filming scenes for "Kourtney & Khloe Take The Hamptons" on Saturday, June 14, 2014, Kourtney Kardashian, left, and alice + olivia designer Stacey Bendet put up a kindness wall in front of the Kardashians' new DASH store in Southampton for the ongoing a+o Kindness Project, which is an effort to spread a message of love, kindness and positivity around the world.

While filming scenes for "Kourtney & Khloe Take The Hamptons" on Saturday, June 14, 2014, Kourtney Kardashian and alice + olivia designer Stacey Bendet put up a kindness wall in front of the Kardashians' new DASH store in Southampton for the ongoing a+o Kindness Project, which is an effort to spread a message of love, kindness and positivity around the world.

Kourtney Kardashian arrives at Generation NXT Charity Benefit at 1OAK in Manhattan on Feb. 16, 2014.

Khloe Kardashian, Kim Kardashian and Kourtney Kardashian arrive at the Tao Nightclub at The Venetian Las Vegas to celebrate Kim's 33rd birthday, on Oct. 25, 2013.

Scott Disick and Kourtney Kardashian attend the Wildfox Swim Cruise 2014 show at Soho Beach House in Miami Beach on July 21, 2013.

Scott Disick and Kourtney Kardashian attend the E! Network 2013 Upfront at the Manhattan Center on April 22, 2013.

Scott Disick and Kourtney Kardashian attend the celebration of Dom Perignon Luminous Rose at Wall at W Hotel in Miami Beach on Dec. 6, 2012.

Kourtney Kardashian, Kim Kardashian and Khloe Karashian at Westfield Shopping Centre for the launch of the Kardashian Kollection at Dorothy Perkins in London on Nov.10, 2012.

Kourtney Kardashian arrives for the Kardashian Kollection UK Launch at Aqua Club in central London on Nov. 8, 2012.

Kourtney Kardashian attends an E! Network Upfront event at Gotham Hall in Manhattan on April 30, 2012.

Kourtney Kardashian attends the Windows Phone Free-Time Machine event in Manhattan on April 9, 2012.

TV personalities Khloe Kardashian and Kourtney Kardashian attend the launch of the Kardashians' "Dollhouse" at 1212 Fifth Avenue in Manhattan on Nov. 16, 2011.

Kourtney Kardashian and Khloe Kardashian attend the book signing for "Dollhouse" at Barnes & Noble at The Grove in Los Angeles on Nov. 18, 2011.

Khloe Kardashian and Kourtney Kardashian promote "Dollhouse" at Barnes & Noble on 5th Avenue in Manhattan on Nov. 16, 2011.

Khloe Kardashian and Kourtney Kardashian promote "Dollhouse" at Barnes & Noble on Fifth Avenue in Manhattan Nov. 16, 2011.

Khloe Kardashian and Kourtney Kardashian promote "Dollhouse" at Barnes & Noble on Fifth Avenue in Manhattan Nov. 16, 2011.

Kourtney Kardashian attends the book signing for "Dollhouse" at Barnes & Noble at The Grove in Los Angeles on Nov. 18, 2011. She co-wrote the novel with her sisters Khloe and Kim.

Kourtney Kardashian attends the book signing for "Dollhouse" at Barnes & Noble at The Grove in Los Angeles in 2011. She co-wrote the novel with her sisters Khloe and Kim.

Kourtney Kardashian and Khloe Kardashian attend the book signing for "Dollhouse" at Barnes & Noble at The Grove in Los Angeles on Nov. 18, 2011. They co-wrote the novel with their sister Kim Kardashian.

Kourtney Kardashian and Scott Disick attend A Night of Style & Glamour to welcome newlyweds Kim Kardashian and Kris Humphries to New York at Capitale on Aug. 31, 2011. Kourtney Kardashian separated from Disick, her longtime partner, in 2015. They have three children.

The Kardashian sisters -- Kim, Khloe and Kourtney -- launch their official prepaid Kardashian MasterCard at Pacha in Manhattan on Nov. 9, 2010.

Sisters Kim and Kourtney Kardashian attend the Jill Stuart Spring 2011 fashion show during Mercedes-Benz Fashion Week at David Koch Theatre at Lincoln Center in Manhattan on Sept. 11, 2010.

Reality TV stars Kim and Kourtney Kardashian attend the Jill Stuart Spring 2011 Collection show during Mercedes-Benz Fashion Week in Manhattan on Sept. 11, 2010.

Reality TV stars Kourtney Kardashian and her longtime partner Scott Disick attend Jill Stuart's 2011 Spring Collection show during Mercedes-Benz Fashion Week in Manhattan on Sept. 11, 2010. The couple separated in 2015.

Kim and Kourtney Kardashian celebrate Fashion's Night Out at the QVC pop-up shop at the Rockefeller Center in midtown Manhattan on Sept. 10, 2010.

Reality TV star Kourtney Kardashian attends Los Angeles Confidential Magazine's Fall Fashion issue celebration at The London West Hollywood in West Hollywood on August 25, 2010.

Kourtney Kardashian and Kim Kardashian attend Los Angeles Confidential Magazine's Fall Fashion issue celebration at The London in West Hollywood on Aug. 25, 2010.

Kourtney Kardashian, her sister Khloe Kardashian, right, and Khloe's husband, NBA player Lamar Odom, arrive at the 2010 Teen Choice Awards at Gibson Amphitheatre in Universal City, Calif., on Aug. 8, 2010.

Kourtney Kardashian, Kim Kardashian, George Lopez and Khloe Kardashian onstage at the Teen Choice Awards at Gibson Amphitheatre in Universal City, Calif., on Aug. 8, 2010.

Kourtney Kardashian after shopping at 25 Park in Bridgehampton on Saturday, July 31, 2010.

Sisters Kim Kardashian, Kourtney Kardashian and Khloe Kardashian and their mother, Kris Jenner, attend Super Saturday 13 to benefit the Ovarian Cancer Research Fund at Nova's Ark Project in Water Mill on July 31, 2010.

Television personality Scott Disick, Kourtney Kardashian, Jason Binn, CEO of Niche Media, Adrian Williams, DJ Mel De Barge, and Chris Bosh attend the opening day of the 2010 Mercedes-Benz Polo Challenge at Blue Star Jets Field at Two Trees Farm on July 24, 2010.

Sisters and reality TV stars Khloe Kardashian and Kourtney Kardashian watch as host Bonnie Hunt holds a doll during the taping of "The Bonnie Hunt Show," in Culver City, Calif., on Tuesday, Sept. 8, 2009.

Sisters Kylie Jenner, Kendall Jenner, Kourtney Kardashian and Kim Kardashian arrive at the Teen Choice Awards in Universal City, Calif., on Aug. 9, 2009.

Kourtney Kardashian arrives at the Teen Choice Awards in Universal City, Calif., on Aug. 9, 2009.

Kourtney Kardashian attends the Mercedes-Benz Bridgehampton Polo Opening Day at Two Trees Farm in Bridgehampton on Saturday, July 18, 2009.