The estranged couple, who are parents to four-month-old daughter Dream, posted a series of loving Snapchat videos on Saturday (01Apr17).
Now, it seems they are gradually crawling back to each other, and we don't know if they are for real this time.
Last December, after her engagement to Rob, Chyna reportedly filed court documents to trademark her proposed married name Angela Renee Kardashian, so she can use it for entertainment purposes and sell merchandise.
Is this all an April Fools' Day joke??
TMZ reported on Thursday that the reality star, 28, left a government building in Los Angeles to obtain the proper documents for her children.
A source close to the family previously claimed the girls' lawyers "automatically oppose" anyone who places a trademark request for their name and it was not a personal vendetta against Chyna.
"I feel like every person who's in a long-term relationship, or who is committed to their person, goes through ups and downs", she said.
Dream is Rob's first child and Chyna's second - she is also mother to King Cairo, four, from her relationship with rapper Tyga, who is now dating Rob's half-sister Kylie Jenner.
"I feel like everything isn't going to be flawless, but I know we love each other and we're fighting for each other, and the people we surround ourselves with are rooting for us. It makes everything much easier".
In early March, another source said that Rob and Chyna are "working on staying together and focusing on Dream", adding that there is "a lot less drama right now". He's in a really positive mood again. The parents of Dream Kardashian look like they've reunited - maybe for good this time - as they hung out together and even put some major PDA on display for Chyna's followers.