MediaTakeOut.com told you on Friday - that Cardi DUMPED Migos fiance Offset - now we have PROOF.
Yesterday Cardi went online to thank her fans - and she was NOT wearing her engagement ring:
And she didn't just choose ANY of Madonna's songs . . . she chose two BREAK UP anthems: "Borderline" and "Love Don't Live Here Anymore."
Oh, and here's another shot of her RINGLESS: