Keeping Up With The Kardashians star Khloe was first to announce the couple's exciting news on social media, telling her 22 million followers that she had witnessed the birth.
Khloe gushed: "My new niece is absolutely stunning!!! So thankful I was able to land in time to witness this miracle happen! Praise God!"
Chyna's BFF, model Amber Rose, has also tweeted her joy. She told her fans: "Congratulations to my sister @blacchyna and brother @robkardashian on their lil bundle of joy! #DreamKardashian #ProudAuntie."
It has been reported that Rob and Chyna have named their daughter Dream Renee Kardashian.
Fans of the couple have followed their journey to becoming parents in their own E! reality show, Rob & Chyna. During the series premiere, Rob and Chyna learned the sex of their unborn child during a visit to the doctor.
Before a scan, Rob exclaimed: "I'm pretty nervous. I'm excited I really want a boy!" The doctor then announced it was a girl. Oops!
Rob and Chyna are yet to confirm their news themselves on social media.
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