Kim Kardashian -- BUSTING HER BIG ASS ... to Get Back In Shape

Kim Kardashian BUSTING HER BIG ASS to Get Back In Shape

Kim Kardashian is determined to move all of her baby weight back into her ass cheeks ... and by the looks of things, she's doing one helluva job.

KK hit the streets in Paris this week ... en route to a workout session at a local gym.

It's been 3 months since Kim squeezed out little North West ... and she's almost back to her pre-baby figure.

So, we gotta ask ...

BTW ... Kim's discovered one of the side effects of breast-feeding -- engorged boobs. Check out the video below ...

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