The mother-of-one has shared an adorable picture of herself playing with Rob's cheeks while showing off a stunning diamond ring on 'that' finger.

"Yes!...!..!" Chyna captioned her post.

READ: Rob Kardashian, Blac Chyna allegedly expecting 1st child together

The 27-year-old has left her fans excited and confused at the same time but the reaction to her post has been received very well.

"Congratulations Chy, I hope you are happy together" one fan comments beneath her post.

Another writes: "Mrs. Chyna Kardashian!!! Go ahead and share that surname with Kim Khloe and Kourtney. Even go further by bringing Rob junior, the only one of that generation with the K surname! Gosh  this is too much to handle in my excitement."

READ: "I love Blac Chyna" - Rob Kardashian finally tells the world

While some feel it is a great news, others think it is shocking. "Love and hip hop Hollywood?" one writes on Instagram. Another adds, "OMG". While another asks the question most would ask, "Is this real?"

What do you think?