Fit & fabulous - KEEPING UP WITH KHLOE

Khloé Kardashian's star is shining bright.

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As the reality star and fashion mogul approaches her 40th birthday, Kardashian has an undeniable glow about her. With age has come an abundance of good for The Kardashians star, who's always had a keep-calm-and-carry-on mentality.

Images of the 39-year-old fronting her latest collection in a new Fabletics campaign say it all. She's happy, healthy and fighting fit and her secret to looking just as good as she feels isn't as hard to emulate as you may think.

"I always choose an outfit that makes me feel good and gives me a boost when I work out. I like for my athleticwear to reflect that sentiment," she told Cosmopolitan, adding that the same goes for her workouts. What she does in the gym reflects her mood.