Wiz Khalifa's Mom Sues Amber Rose For Defamation

Amber Rose launched into a profanity-laced phone call accusing Wiz Khalifa's mother of being an unfit grandmother, so says Wiz's mom in a lawsuit.

Katie Wimbush-Polk is reportedly suing Amber for defamation because she says Wiz's ex said she was responsible for her child's death. Khalifa's sibling, Dorien "Lala", died in February of complications from lymphoma.