Veteran singer Cliff Richard is due to sing at the Mass at St Mary's RC Church in Woolton, reported BBC online.
TV stars Paul O'Grady, Jimmy Tarbuck and Christopher Biggins will join her sons Robert and Ben in giving readings.
Her family have asked fans to line a two-mile stretch of the funeral cortege route along Woolton Road but not gather outside the church itself.
Black died in Spain after suffering a stroke earlier this month at the age of 72.