Gabrielle Union pregnant!? Miami Heat Dwyane Wade's baby mama drama prompts crazy 'no drinking, growing baby bump' rumors, wedding expected this summer?

Miami Heat superstar Dwyane Wade just fathered a "break baby" with Aja Metoyer... and now rumors suggest that the NBA baller's fiancee Gabrielle Union is pregnant!

UPDATE: Gabrielle Union pregnant with Dwyane Wade's baby, Miami Heat 'mistress' Aja Metoyer jealous? Twitter fans respond to viral 'baby bump' buzz

According to the infamous gossip webloid MediaTakeOut.com, people close to the "Think Like a Man" actress are "whispering" that she's expecting a child as early as this summer.

An MTO "snitch" claims that such rumors were ignited over the holidays, when Union apparently "stopped drinking cocktails" (she's allegedly known to enjoy an alcoholic beverage every now and then). The insider explains, "She was at a party, there was champagne everywhere, and she didn't drink a drop."

Plus - the couple's been "open" about having children in the past, and "now that a wedding is around the corner, now is as good a time as ever."

That's pretty unreliable proof... but still somewhat believable.

And did fans notice "a tiny bulge in Gabby's USUALLY FLAT stomach" on "Late Night with Jimmy Fallon" Tuesday evening (January 7)?

All sounds a little shady... but do Mstars fans truly believe Union could be pregnant after all of this baby mama drama? The 41-year-old beauty HAS continued to stick by her man's side despite the ongoing cheating rumors... Stay tuned as more (legit) details develop!