Phaedra Parks just revealed she's expecting another baby boy.  Deets inside, plus Gabrielle Union dishes on how she and D-Wade spend Valentine's Day....and how he better do something good this year...

After exposing her baby bump for the first time this past December, 40-year-old "RHOA" star Phaedra Parks has revealed it's another boy for her and hubby Apollo Nida.

Phaedra, pictured above at a taping of "The Crossover" on NBC Sports Network this week, tells Us Weekly about the new baby boy joining big brother Ayden (who's 2):

"I will be having another little boy!"

“[Ayden]'s such a great helper.  He'll be a wonderful little brother because he likes to help and he's so smart.”

The "Housewife" said she and her hubby were hoping for a girl, but they're obviously excited no matter what.

“I would entertain a third child, but I would have to guarantee that it was a little girl. I think that would be plenty after that,” adding, “I’m just super excited for this baby to get here!”

And this time around, Phaedra's playing it even safer since she has a condition diagnosed by docs this time around:

“Doctors have diagnosed me with placenta previa, which means I need to be careful this time around because I can’t have a vaginal birth."

She's set for a C-section at the end of May.

And in couple's news, while promoting the BET Honors show that aired this past Monday, host Gabrielle Union dished to People.com about Valentine's day with her man, Heat baller Dwyane Wade.  And she even issued a challenge that he better do something nice...because she'll be working in Atlanta.  And he won't be working at all.  Check it above.

Pic: Twitter