Pop singer Pink has made it crystal clear she’s no fan of Dr. Luke, the music producer she worked with on her 2006 album I’m Not Dead, and who has since become embroiled in a legal battle with fellow artist Kesha over allegations that he sexually and verbally abused her.

In a New York Times interview published Thursday, Pink said she doesn’t know what happened between Dr. Luke and Kesha with regard to the allegations, which Dr. Luke has denied. But, she said, “I know that regardless of whether or not Dr. Luke did that, this is his karma and he earned it because he’s not a good person.”

Pink added, “I have told him that to his face and I do not work with him. He doesn’t do good business, he’s not a kind person, he doesn’t do the right thing when given ample opportunities to do so, and I don’t really feel that bad for him.”

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Representatives for Dr. Luke did not immediately respond to EW’s request for comment; he declined to comment to the Times.

Pink comes as the latest music artist to either criticize Dr. Luke and/or express support for Kesha. Onetime collaborator Kelly Clarkson has said she was forced by her label to reunite with Dr. Luke on her 2009 single “My Life Would Suck Without You” and refused a writing credit in protest, forfeiting “hundreds of thousands of dollars,” if not “millions.” Clarkson told EW recently, “There are many people in the world to befriend, and [Dr. Luke] is not one of them.”