King Cairo loves his baby sister!

Blac Chyna coaxes her 4-year-old son to kiss his newborn sister Dream Kardashian, her and fiancé Rob Kardashian‘s first child, in a sweet video posted on the infant’s Instagram page and the reality star’s Snapchat.

As Dream lies sleeping while swaddled in a blanket inside a co-sleeper baby bed placed on top of a regular one, her big brother gently kisses her on her cheek.

The video was posted late on Friday, more than a week after Chyna gave birth to the baby via C-section.

Blac Chyna has posted on her social media several photos and videos of Dream, the first baby to carry the Kardashian name since Rob. During her pregnancy, she also shared footage of her growing baby bump, which included a video of King Cairo rubbing it.

Now that she has given birth, Blac Chyna is working to lose the 62 pounds she gained during her pregnancy. She has already lost 18 pounds, including three in one day, according to her Snapchat. On Saturday night, she shared on Snapchat and Instagram videos of her showcasing her shrinking waist.

Also Saturday, Blac Chyna was photographed outside in public for the first time since gave birth, appearing at a health food eatery near her home in a casual outfit.

Watch the Rob & Chyna Baby Special Sunday, December 18 at 8 p.m., only on E!

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