Cardi B announced she is pregnant with her fourth child.

The rapper shared the news on "CBS Mornings" on Wednesday, revealing that she is expecting a baby with boyfriend Stefon Diggs.

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Cardi B said the baby is due before the start of her first arena tour, "Little Miss Drama," which is scheduled to begin in February.

"I feel like I'm in a good space. I feel very strong. I feel very powerful that I'm doing all this work," she said. "But I'm doing all this work while I'm creating a baby, me and my man, we're very supportive of each other."

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Cardi B, 32, shares three children with rapper Offset.

She credited Diggs, a wide receiver for the New England Patriots

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