Kim Kardashian and Kanye West Welcome Baby No.3 Via Surrogate

The West family is one bigger!

Kim Kardashian and Kanye West welcomed their third child on Monday, as their surrogate gave birth to a baby girl, Kardashian shared on her website. 

"Kanye and I are happy to announce the arrival of our healthy, beautiful baby girl," the mom of three wrote, adding "we're so in love" in the post titled, "she's here."

A source tells ET that Kim and Kanye were in the delivery room when their surrogate gave birth to their baby girl at Cedars Sinai Medical Center in Los Angeles. The couple was joined by Kris Jenner and Kim's sisters at the hospital, however, the family was not in the delivery room.

"We are incredibly grateful to our surrogate who made our dreams come true with the greatest gift one could give and to our wonderful doctors and nurses for their special care. North and Saint are especially thrilled to welcome their baby sister."

Their new bundle of joy weighed in at 7lbs, 6 oz and was born at 12:47 am. Kardashian has yet to reveal her name. 

Baby No. 3 joins older siblings, 4-year-old North and 2-year-old Saint. Kim and Kanye opted for a surrogate to have their third child, after Kim's first two notoriously difficult pregnancies.

"They are fully prepared and can't wait to bring their baby home," a source told ET earlier this week. The name of their baby has not yet been revealed. 

"If they've chosen a name, they're keeping it very private," the source revealed. "They may not even have one yet -- and might not choose something until they meet the baby!"

Though both the Keeping Up With the Kardashians star and the 40-year-old rapper were in the delivery room, the birth of the baby was not filmed for their E! reality show. In fact, the surrogate's privacy has been extremely important to the husband-and-wife duo, a source told ET back in September.

"This was always the plan. After the complications with the other pregnancies, they knew they wanted to go the surrogacy route for the next baby," the source added.

Last fall, Kim admitted to ET that the surrogate experience has been "really different."

"Anyone that says or thinks it is just the easy way out is just completely wrong," the KUWTK star said. "I think it is so much harder to go through it this way, because you are not really in control. And, you know, obviously you pick someone that you completely trust and that you have a good bond and relationship with, but... knowing that I was able to carry my first two babies and not my baby now, it's hard for me. So, it's definitely a harder experience than I anticipated just in the control area."

Meanwhile, one thing to look forward to with another Kimye-baby -- more adorable family photos on Kim's Instagram!

Congrats, Kim and Kanye!

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