• Kourtney Kardashian

Kourtney Kardashian (Photo : Instagram)

Kourtney Kardashian may be twice the age of stepsister Kylie Jenner, but the mother of three shows that she could compete with any of the Jenners or Kardashians when it comes to wearing a bikini.

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The 36-year-old reality star proved it when she posted on Instagram on Tuesday her photo while vacationing with her extended family at the island of St. Barts on Monday. She wore a tropical print bikini, matched with a gold body chain, sunglasses and a headscarf, People reports.

Kourtney captioned the photo "Troop Beverly Hills." At the foreground is a swimming pool.

Last week, 18-year-old Kylie sizzled in purple and white bikinis as well as in a neon pink swimsuit with the words "Body Glove," in her Mexico vacation photos. While Kylie looked sexy as well in the swimsuit which she "stole" from her mother's closet, a survey of readers showed that Kris Jenner looked better than Kylie in wearing the neon pink swimsuit.


The hot photo and sexy bod is the result of Kourtney's hard work at the gym after she gave birth in December to her third child, Reign Aston Disick, fathered by Scott Disick from whom Kourtney separated recently.

Kourtney explains, "I like to take my time and not try to put too much pressure on myself, but it's hard. I think I forgot every time-you give birth and you want your stomach to be flat again. It does take a lot of work, but I usually start slowly by going on walks with the baby," quotes E! News.

She adds that she has progressed to working with a trainer. One some days, sister Khloe joins Kourtney in workouts.