'Khloe Kardashian is flexing for the ‘gram — literally! The reality star is showing off some serious back and shoulder muscles in a recent impressive photo.  Khloe Kardashian is some serious #fitspo! The Keeping Up With the Kardashians star posted back-to-back shots to her Instagram on Feb. 1, showing off her fitness progress on her upper back and shoulders. “About 3 months apart,” Khloe captioned the post which displayed a current photo compared to another (still very fit!) shot from months ago' 

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