K - The most important, if not the only, letter in the alphabet.

Kardashian Kollection - Low-budget fashion line founded by Kourtney, Kim, and Khloe Kardashian that sells exclusively at Sears, promising followers the dream of dressing like the Kardashians for a fraction of the price.

Kardashian Konfidential - 2010 memoir “written” by Kourtney, Kim and Khloe Kardashian filled with confessions like how Khloe lost her virginity at age 14, how Jennifer Lopez made Kim realize it was okay to have a “big booty,” and how Khloe slathers Vaseline on her feet once a week.

Kavanaugh, Kassandra - Character played by Kourtney Kardashian in a 2011 episode of the soap opera, One Life to Live. Kavanaugh was a personal injury lawyer who was arrested after punching a man at a gym.

“Kendall” - Slick, one-name moniker Kendall Jenner adopted for her modeling career.

Kierkegaard, Søren - 19th century Danish philosopher, theologian, poet and social critic widely considered to be the first existentialist philosopher. The inspiration for the popular Twitter account, KimKierkegaardashian, which mashes up the philosophy of Kierkegaard with the tweets and quotes of Kim Kardashian.

Kim Kardashian: Hollywood - Application for iPhone and Android phones in which users live out every facet—style, relationships, career choices—of their own Hollywood rise-to-fame story with the guidance of Kim Kardashian. Released in June 2014, the app is expected to make $200 million by the end of 2014, reportedly netting Kardashian herself as much as $85 million.

Kim Kardashian Superstar - 2007 official release by Vivid Entertainment of Kim Kardashian's 2003 sex tape with then-boyfriend, Ray J. Kardashian initially filed a lawsuit against Vivid for distributing the tape before settling for $5 million. Many credit the sex tape with being the root of Kardashian's fame.

Kimsaprincess Productions - Production company founded by Kim Kardashian. To date has only produced the release of one video series, Kardashian's line of workout DVDs.

Kris - FOX daytime talk show hosted by Kris Jenner. Though only lasting 16 episodes, Kris has the distinction of landing the first interview with Kanye West following the birth of his child with Kim Kardashian, in which pictures of the child were revealed for the first time.