The 'American Idol' feud between Nicki Minaj and Mariah Carey is still going strong -- and now gossip-blogger Perez Hilton has been pulled into the catfight.

It all started during Wednesday night's 'Idol,' when Nicki and Mariah traded barbs (see that hilarity above), and Carey says it's difficult to understand No. 1 Billboard hits when not everyone on the panel has one.

We didn't see an umbrella, but that was definite shade.

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