CHER'S $1 MILLION CATFIGHT WITH BONO'S WIDOW!

Sues Mary for pocketing Sonny & Cher music royalties

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SUPERSTAR Cher’s long-simmering feud with ex-hubby Sonny Bono’s widow, Mary, has hit full boil as the Believe songbird is suing the former California congresswoman for swiping $1 million in music royalties!

Sources say Cher, 75, wed to Bono from 1964 to 1975, never got along with his fourth and final wife — and now she’s charging the 60-year-old politico’s “stealing” payments from the 1960s Sonny & Cher hits.

“Cher co-wrote I Got You Babe and The Beat Goes On with Sonny and was given 50 percent of the copyright when they finalized their divorce,” says an insider.