Davidson criticised the US artist's supporters and drew parallels with members of the Catholic Church.
"This guy is a monster and he should go to jail forever," Davidson said during the episode's 'Weekend Update' segment.
"But if you support the Catholic Church, isn't that like the same thing as being an R Kelly fan? I don't really see the difference, except for one's music is significantly better."
The 'I Believe I Can Fly' singer was charged last month with ten counts of aggravated criminal sexual abuse involving four alleged victims, three of whom were minors.
In a statement published on their website the Diocese of Brooklyn said: "The statement clearly shocked the studio audience as gasps could be heard off camera.
"Apparently, the only acceptable bias these days is against the Catholic Church. The faithful of our Church are disgusted by the harassment by those in news and entertainment and this sketch offends millions. The mockery of this difficult time in the Church's history serves no purpose."
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