Originally appeared on E! Online .

Cardi B is speaking up.

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After the “WAP” rapper’s boyfriend Stefon Diggs — with whom she is expecting her fourth baby — was accused of fathering model Lord Gisselle ’s 5-month-old child, Cardi responded in an Instagram Live video, referencing Shirley Brown ’s 1974 song “Woman to Woman," in which a woman reaches out to her partner’s mistress.

“That’s your baby daddy, b---h?” Cardi asked in the Sept. 20 stream, per Page Six . “That’s my baby daddy, too.”

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The 32-year-old — mom to Kulture , 8, Wave , 3 and Blossom , 12 months, with ex Offset — alluded to being a bit confused by the development, which

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