Mo'Nique is riding Katt Williams' coattails in talking major trash -- 'cause she basically just did the exact same thing on the same pod ... but her list of names slightly differs.
The comedian sat down for a new episode of Shannon Sharpe's "Club Shay Shay" podcast -- and she took aim at A LOT of big stars in the industry -- airing out grievances and claims against Oprah, Tyler Perry, Tiffany Haddish and Kevin Hart .