Khloe and Kim Kardashian In the Same Plunging White Dress -- Who Wore It Best?

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It's a sister showdown.

Khloe Kardashian stepped out to the Opening Ceremony and Calvin Klein launch party last Thursday in Los Angeles to support her younger sis Kendall Jenner -- the new face of Calvin Klein Jeans  -- where she looked slimmer than ever in a curve-hugging white Wes Gordon dress. Featuring a plunging neckline and a high slit up the middle of the long-sleeve design, it's safe to say the 30-year-old reality star turned plenty of heads.

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But if the dress looks familiar, there's a reason. Her older sister Kim Kardashian wore the same exact dress almost a year ago, and posted this glam pic on Instagram.

"Fashion moment with my mamma @krisjenner," she wrote.

Khloe has definitely been working on her fitness lately, and she shared the results with her fans with a selfie of her impressively slim stomach in February.

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"Looking back at pictures of myself I didn't realize at the time how unhealthy my lifestyle actually was," she wrote about the side-by-side comparison of her noticeable weight loss. "People love to call me the fat one but as weird as it sounds I still don't think I would consider myself fat back then. Definitely overweight and unhealthy, yes. About two years ago I decided to turn to fitness as a form of therapy and as a stress reliever. I started slow and eventually I started working out 4 to 5 days a week. We all have to start somewhere and doing something is better than nothing at all."

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Looking back at pictures of myself I didn't realize at the time how unhealthy my lifestyle actually was. People love to call me the fat one but as weird as it sounds I still don't think I would consider myself fat back then. Definitely overweight and unhealthy, yes. About two years ago I decided to turn to fitness as a form of therapy and as a stress reliever. I started slow and eventually I started working out 4 to 5 days a week. We all have to start somewhere and doing something is better than nothing at all. Start small so you don't get discouraged and give up. Remember it is all about consistency. There are no quick fixes if you want long-term results. Working out is a huge part of my life now. I genuinely enjoy sweating out my frustrations and living a healthier life. My workouts are not all about vanity. They are about clarity for my mind and soul. We all have different journeys in life, make sure your journey is for you and you alone. Remember in the end the turtle won the race. Slow and steady. dedication and tenacity. 💋

A post shared by Khloé (@khloekardashian) on

Looking good, Khloe!

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