Kim Zolciak's making ends meet thanks to her adult daughters ... because Ariana Biermann just revealed she's helping pay her mother's expenses.
Ariana opened up about her mom's financial situation Sunday on 'Watch What Happens Live' ... telling Andy Cohen her mom asks for money to pay bills for her and her kids.
CHIPPIN' IN
The good news for Ariana's bank account ... Kim pays her back when she can.