• Kylie Jenner

Kylie Jenner (Photo : Twitter/Kylie Jenner)

Kim Kardashian reportedly told her youngest sister, Kylie Jenner, to pay importance to the value of hard work in staying fit. This came out after Jenner was quoted as saying she has not worked out in over two years.

The 17-year-old celebrity model recently said she has been skipping the gym and simply giving in to what she wants to eat, including yellow rice. The teenage celebrity model, however, expressed awareness that such habits are "pretty bad."

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"I haven't worked out in two and a half years," the youngest of the "Keeping Up With The Kardashians" cast told InStyle UK. "I'm living out my youth not doing any exercise and eating what I want, which is pretty bad."

Kylie's fitness statement did not sit well with her big sister Kim Kardashian, Hollywood Life reported. Kylie was "bragging," according to the entertainment site, and Kim reportedly told Kylie to put an end to it.

"Kim told [Kylie] that she used to be like Kylie, never working out and eating junk food but those days are over. Kim wants Kylie to know it takes hard work, exercise, diet and willpower to look as good as she does," Hollywood Life quoted its source as saying.

Meanwhile, Kylie's rumored boyfriend Tyga is reportedly being supportive of Kylie, telling the youngest Kardashian sister to "continue flaunting [her sexy body] all around town." The report did not name its sources. Neither Tyga nor Kylie has commented on these reported reactions.

Kylie and her 19-year-old sister model Kendall Jenner recently launched their Topshop line, gracing the social media and traditional outlets with their brand of fashion and style.