They may have joined forces for a duet on “Up Out My Face” in 2010, but now Nicki Minaj and Mariah Carey are proving to be in each other’s faces at the “American Idol” judging table.

The two pop divas reportedly went at it during the first “Idol” taping Sunday in NYC.

According to TMZ, when Nicki started critiquing a contestant, Mariah would continually interrupt. Each time Mariah interrupted, Nicki fought back by loudly talking over Mariah.

Mariah took to Twitter to comment about the first taping, writing, “several classic moments so far.”

Well folks, that didn't take long.

UPDATE:

Mariah Carey responded to rumors of a feud telling reporters, “I think a feud takes a little longer.”

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