Rob Kardashian is shown holding his new daughter close in a newly released photo.

The 29-year-old "Keeping Up with the Kardashians" star's mom, Kris Jenner, shared her congratulations and an adorable new picture on Saturday after Kardashian welcomed daughter Dream Renee with Blac Chyna.

"This face says it all and melts my heart... @robkardashian ... that smile ain't nothin but a DREAM," she captioned the snapshot. "Congratulations Rob and Chyna!! @blacchyna #love #family #dreamcometrue @dream."

Kardashian and Blac Chyna welcomed their daughter Thursday at Cedars-Sinai Medical Center in Los Angeles. Blac Chyna, who gave birth via a scheduled C-section, also shared a new post with Dream over the weekend.

"Mood forever @dream," she captioned a Snapchat video of herself with the newborn.

Blac Chyna is also mom to 4-year-old son King Cairo with ex-fiance Tyga. She and Kardashian got engaged in April after three months of dating and announced they were expecting the next month.

"I got to watch [the] delivery]," Jenner told E! News after Dream's birth.

"It was so beautiful and I'm so excited and happy to have another grandchild! No. 6! It was one of the most precious moments of my life."

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Jenner is also mom to Kourtney Kardashian, Kim Kardashian and Khloe Kardashian and Kendall Jenner and Kylie Jenner. Kourtney shares three children, Mason, Penelope and Reign, with ex-partner Scott Disick, while Kim is mom to North and Saint with husband Kanye West.