Kim Kardashian Shows Off Baby Bump All THREE of Them!

1/31/2013 7:30 AM PST

Pregnant Kim Kardashian Shows Off Her Baby Bump -- All 3 of Them!

Kim Kardashian's unborn kid is proving to be a big star ... as the growing fetus made a splash by bulging out of her belly on Wednesday.

With her lovely girls also on display and busting through her sheer tank, Kim and her baby bump went for a late prenatal workout in L.A. last night.

Kim's making sure she is fit to be a mom.