Update: Cardi B is expecting a Baby Girl! Her sister makes the claim

Cardi B's kid sister, Hennessy has let it slip that Cardi is expecting a baby girl.

Shortly after the rapper announced that she's pregnant on Saturday Night Live, Hennessy Carolina took to Twitter to post a congratulatory message to Cardi B and her baby daddy Offset. Hennessy said she knows Cardi will make a great mom because she's always played the role of a mother to her and their younger brother.

While gushing about her sister's pregnancy, Hennessy mistakenly let it slip that Cardi is expecting a girl.

She wrote: "I'm going to be able to hold baby you and give her all the kisses and hugs!"

Then she added: "I'm passing my daughter crown down."

After her post gained attention, she immediately edited it, but not before it had been screengrabbed.