January 30, 2016 09:50 AM

Rob Kardashian is standing by his new lady.

The reality star posted a screenshot of what appeared to be a FaceTime conversation between himself and Blac Chyna on Instagram early Saturday morning, captioning the pic with two red-face emojis.

Kardashian, 28, posted the picture to Instagram just hours after PEOPLE confirmed that Blac Chyna, 27, was arrested for public intoxication and possession of a controlled substance in Austin.

On Friday evening, while flying from Los Angeles to London for a personal appearance at the Beorma Club, the model was arrested during a layover at Austin-Bergstrom International Airport.

“At 6:22 p.m. airport officers were informed that there was an intoxicated female on a flight that was about to depart ABIA and she was causing a disturbance and would not be allowed to remain on the plane,” a police official told PEOPLE.

The arrest – and Instagram post – comes just days after news broke of Blac Chyna and Kardashian’s relationship. It has since been revealed that Kardashian moved out of sister Khloé‘s house and is now living with Blac Chyna.

The mother of one shares a son with Kardashian’s sister Kylie Jenner‘s boyfriend Tyga, and was once close friends with Kim Kardashian West.

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