"The photos with Rob and his daughter literally make me want to cry," she said. "All the photos make me want to cry -- the family photos, the photos of just her -- but it's really sweet. She's so cute."
Blac Chyna also shares 4-year-old son King Cairo with ex-fiance Tyga, who is presently dating Jenner.
The 28-year-old model gave birth to Dream via a scheduled C-section Nov. 10 in Los Angeles.
"I can't stop looking at her congrats @robkardashian @blacchyna she's so beyond beautiful, a dream," Jenner tweeted to her 18.8 million followers after the baby's arrival.
Blac Chyna had denied lingering rumors of a feud with Jenner in the Sept. 12 issue of People. She told the magazine neither she nor Jenner is "holding onto grudges" and that they've "moved on" from their tensions over Tyga.
"Every family is going to be defensive in the beginning; I don't care who you are or what the situation is -- they're going to be protective," the model said. "But everything is positive now.
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"[There's] no animosity and] everybody is super comfortable," she added.
"I feel comfortable with Kylie being around my son, King, and I'm sure Tyga feels comfortable having King around Rob."
Jenner told E! News she and Tyga are "chilling" on their relationship status for now, despite the rapper having given her an enormous diamond promise ring.
She showed off the ring and a new diamond necklace from Tyga earlier this month.
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