Mariah Carey was waiting for tonight to shade Jennifer Lopez — again.

The “Obsessed” singer insisted to “Watch What Happens Live” host Andy Cohen on Wednesday that she still doesn’t know Lopez, more than two decades after her viral diss.

Cohen brought up Carey famously being asked about Lopez, 56, on the German television program “taff” in 2003, only to reply, “I don’t know her.”

The Bravo executive gushed over “how much ‘I don’t know her has become part of the lexicon” and “how much time [they] have spent in these chairs discussing whether or not” the singers know each other.

Carey, 56, noted, “The thing is, I was being honest when I said it. So I don’t know how it became so big. Honesty isn’t really something that becomes big most of the time.”

Cohen — without name-dropping Lopez

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