Pregnant Kate Upton Even Bustier in Sensational New Bikini Campaign for Yamamay

Hey, she revealed she's expecting with her new husband, Houston Astros ace Justin Verlander.

And her breasts are as full as ever --- she's now more of a busty bonus-babe knockout than previously.

Here, "Pregnant Kate Upton's Breasts Even Bigger in Ginormous New Bikini Campaign for Yamamay Swimwear (PHOTOS)."

Now that's a nice pair of milk balloon jugs.