She has released a variety of products tied to her name, including the successful 2014 mobile game Kim Kardashian: Hollywood, a variety of clothing and products, and the 2015 photo book Selfish.
Her relationship with rapper Kanye West, dubbed "Kimye" by the media, has also received significant coverage; the couple married in 2014.
According to Siegal, Kardashian tweeted in October 2009 that he was "falsely promoting" that she was on the cookie diet.
In April, she released a workout DVD series through her television production company Kimsaprincess Productions, LLC which has seen the release of three successful workout videos, Fit in Your Jeans by Friday, with trainers Jennifer Galardi and Patrick Goudeau.
With sisters Kourtney and Khloé, Kardashian is involved in the retail and fashion industries.
Kardashian first gained media attention as a friend and stylist of Paris Hilton, but received wider notice after a 2003 sex tape with her former boyfriend Ray J was leaked in 2007.
Later that year, she and her family began to appear in the E!
Network's reality television series Keeping Up with the Kardashians.