As Justin Bieber and Miley Cyrus continue to battle it out for the title of most controversial pop star, one person has finally had enough: Breaking Celebrity News has learned that Selena Gomez, Bieber's ex-girlfriend and Cyrus' former BFF, has banned any talk of the twosome! Gomez has reportedly laid down the law with journalists as she promotes her ongoing "Stars Dance" tour.

Reporter Cameron Adams claims that he received multiple anti-Bieber warnings  from Gomez’s flacks before a recent interview.

“Immediately prior to interviewing US singer and actor Selena Gomez in her dressing room in Florida comes the warning: ‘You know you can't ask about Justin or Miley?'” Adams wrote of the incident.

That's not the first time Gomez has refused to discuss her ex: As Breaking Celebrity News reported, she insisted journalists refrain from mentioning his name way back in July.

And while the Cyrus ban is new, it's probably not surprising. Less than a month after Bieber and Gomez broke up in May, he was spotted hanging out with Cyrus at Beacher’s Madhouse,