The hip-hop megastar is claimed by the New York Post to be negotiating to join Mariah Carey on the panel of the massive US reality TV show.
Neither the show's bosses nor Diddy's reps would comment on the report when approached by US media outlets.
But there is speculation that long-serving judge Randy Jackson could be moving to a mentoring role on the show - leaving two more chairs to fill.
We told you recently that country star Brad Paisley was reported to be in the frame for a judging role, and Nick Jonas has also been mooted as a possible contender.
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