C ardi B took a break from flouncing around with Stefon Diggs and serving face at Balenciaga to celebrate her daughter ...

After laying to bed rumors that they'd split, Cardi B and Stefon Diggs now address claims that their breakup was due to the rapper having a foul odor.

Cardi B went off amid speculation that her BBL emitted a foul odor, prompting new boyfriend Stefon Diggs to leave her.