Things are heating up between Cardi B and Stefon Diggs ... the pair was once again spotted together (this time in an NYC club), with the rapper giving the football star a sexy dance!
Offset, Cardi's ex-hubby, even weighed in on the budding rumored romance.
Fresh off signing a $69 million deal with the Patriots, Diggs hit up a Manhattan nightspot with the "WAP" rapper ... where she was seen giving him a seductive lap dance.