Oprah Winfrey may have to give evidence against Mariah Carey after singer’s brother Morgan accused hitmaker of lying

OPRAH Winfrey may have to provide evidence against her showbiz pal Mariah Carey after her company OWN has been subpoenaed by the singer’s brother in his defamation case against her.

Morgan Carey is currently suing Mariah, alleging she lied about him selling drugs in her 2020 memoir The Meaning of Mariah Carey.

GC ImagesMariah is being sued for defamation by her brother[/caption] GettyMariah and Oprah have been friends for years, and the singer has given her 10 interviews[/caption]...