Cher filed a lawsuit against Mary Bono in Los Angeles on Wednesday, claiming Sonny Bono's fourth wife and widow is illegally withholding her royalties from Sonny & Cher's megahits in the '60s.
In court documents obtained by Fox News, the 75-year-old singer alleges the former member of Congress has breached a contract signed by Cher and her ex-husband after their divorce.
Sonny, whose real name was Salvatore Bono, and Cher married in 1967 and skyrocketed to success as a musical duo.They split in 1974.
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