Kylie Jenner through the years
Kylie Jenner at the Boss Fall Winter 2016 Women's Runway Show at Skylight Clarkson North in Manhattan on Feb. 17, 2016.
Kylie Jenner attends the Vera Wang Collection Fall 2016 fashion show during New York Fashion Week: The Shows at The Arc, Skylight at Moynihan Station in Manhattan on Feb. 16, 2016.
Kendall Jenner, left, and Kylie Jenner arrive at the NBCUniversal Golden Globes afterparty in Beverly Hills, Calif.
Tyga, left, and Kylie Jenner at Alexander Wang Fall Winter 2016 Womens' Runway Show at St. Bartholomew's Church in Manhattan on Feb. 13, 2016.
Sisters Kendall, left, and Kylie Jenner arrive at Chadstone Shopping Centre in Melbourne, Australia on Nov. 18, 2015.
Caitlyn Jenner, left, with daughter, Kylie Jenner, at the 2015 Glamour Women of the Year Awards at Carnegie Hall in Manhattan on Nov. 9, 2015.
Kylie Jenner, left, appears on "The Ellen DeGeneres Show" in November 2015.
Kylie Jenner at the Balmain x H&M collection launch at 23 Wall Street in Manhattan on Oct. 20, 2015.
Tyga, left, and Kylie Jenner attend the Alexander Wang Spring 2016 fashion show during New York Fashion Week at Pier 94 in Manhattan on Sept. 12, 2015.
Kris Jenner, left, with daughters Kylie Jenner and Kim Kardashian West, host a dinner and preview of their new apps launching soon at Nobu Malibu in Malibu, Calif., on Sept. 1, 2015.
Kylie Jenner at WSJ Magazine and Forevermark Diamonds host a special Los Angeles red carpet screening of Twentieth Century Fox's "Paper Towns" at The London Hotel in West Hollywood, Calif., on July 18, 2015.
Sisters Khloe Kardashian, left, Kendall Jenner and Kylie Jenner attend Opening Ceremony and Calvin Klein Jeans' celebration launch of the #mycalvins Denim Series at Chateau Marmont in Los Angeles on April 23, 2015.
Khloe Kardashian, left, Kris Jenner, Kourtney Kardashian, Kim Kardashian, Kylie Jenner, Kendall Jenner in a publicity photo from their show "Keeping Up with the Kardashians -- Season 9" in 2014.
Kylie Jenner, left, Kris Jenner and Kendall Jenner attend the Red Dress Collection 2013 Fashion Show in Manhattan on Feb. 6, 2013.
Sisters Kendall, left, and Kylie Jenner arrive to the world premiere of "The Twilight Saga: Breaking Dawn - Part 1" in Los Angeles on Nov. 14, 2011.
Kylie Jenner shared a photo with father, Caitlyn Jenner, mother Kris Jenner and sister Kendall Jenner. "Happy Father's Day my little light of sunshine. 'You can still call me dad, Kylie. No matter what I'm always going to be your father. That's never going to change,'" Caitlyn wrote.