Blac Chyna wants Rob Kardashian all to herself, and Breaking Celebrity News has learned insiders fear she's actively trying to isolate her new man from his estranged Keeping up with the Kardashians family!

"She is dictating which family members he can talk to and which ones he cannot right now," a source claimed.

The 27-year-old former stripper and baby mama to 18-year-old Kylie Jenner's boyfriend Tyga, 26,