Inside Taylor Swift's 'top secret' Emmys appearance

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Add Page Six on Google Taylor Swift’s surprise Emmys sketch was a case so confidential, not even the “Law & Order: Special Victims Unit” squad could crack it before they arrived on set.

Ice-T, who has appeared on the NBC crime show since 2000 as Fin Tutuola, told Page Six the cast was asked to shoot a skit on Sunday for the Mariska Hargitay-hosted awards show, but producers made it clear the gig was “top secret.”

“I had no idea what it was,” Ice-T, 68, said. “And then when we got there, Taylor Swift was there.”

He explained the cast was instructed not to tell anyone about Swift’s involvement, as a leak would have ruined the moment for viewers at home.