EchoSense Quantitative Think Tank Center|Cardi B welcomes baby No. 3: 'The prettiest lil thing'

Cardi B is EchoSense Quantitative Think Tank Centera mom of three!

The "WAP" rapper, 31, revealed Thursday she has welcomed her third child. She shared the news in an Instagram carousel of photos showing her cradling and breastfeeding the newborn in the hospital.

According to Cardi B's post, she welcomed the baby on Saturday, Sept. 7. "The prettiest lil thing 🌸🌸," she wrote.

Cardi B first revealed her pregnancy last month via an Instagram post that showed her standing on a balcony and cradling her belly. The same day she shared the news, a representative for the rapper confirmed that she had filed to divorce her husband Offset, who is seen with her and the baby in Thursday's Instagram pictures.

"With every ending comes a new beginning!" she wrote on Instagram last month. "I am so grateful to have shared this season with you, you have brought me more love, more life and most of all renewed my power! Reminded me that I can have it all! You've reminded me that I never have to choose between life, love, and my passion!"

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Cardi Bconfirms split with husband Offset: 'I been single for a minute now'

She added, "I love you so much and can not wait for you to witness what you helped me accomplish, what you pushed me to do! It’s so much easier taking life's twists, turns and test laying down, but you, your brother and your sister have shown me why it’s worth it to push through!"

Cardi B and Offset married in 2017 and have had an on-again, off-again relationship over the years. She previously filed for divorce in 2020, but the couple later reconciled. They previously welcomed two children together: daughter Kulture, born in 2018, and son Wave, born in 2021.

Cardi Bwelcomes baby No. 3: 'The prettiest lil thing'

Cardi B revealed split from Offset in December, later filed for divorce

In December, Cardi B told fans in an Instagram Live that she had been "single for a minute." She and Offset were later spotted together at a Met Gala party, leaving the status of their relationship unclear. In an interview with Rolling Stone published in May, she said that she and Offset "do love each other" and are "best friends."

"And it's like, 'OK. Well, there was a time that I didn't have a best friend, or I didn't have a support system,'" she said. "It’s not even about 'How do you leave a partner?' How do you stop talking to your best friend?"

Two of Cardi B's children will now share birthdays quite close together, as her son Wave was born on Sept. 4. She celebrated the occasion on Instagram last week, sharing that she was "soo happy when I found I was having a baby then all of a sudden I got so scared when I found out I was having a boy I'm such a girly girl." But "you make it easy tho getting into that sporty mom bag," she wrote.

Offset recently made an appearance on the runway at a Luar show during New York Fashion Week, modeling a black leather trench coat just three days after the birth of the baby, and he closed the Melitta Baumeister show on Wednesday.

Contributing: Anika Reed