05/18/2012 03:48 am ET

'Punk'd': Miley Cyrus Gets Khloe Kardashian To Reveal Her Sexual Preferences (VIDEO)

Miley Cyrus took over "Punk'd" (Thu., 10 p.m. ET on MTV) and had an absolute blast pulling one over on Khloe Kardashian. She put Khloe into the center of the action with a fake pizza delivery driver who pretended to get his testicles stuck in his zipper, a la "There's Something About Mary." It was the second time in the night Cyrus pulled this prank -- Kelly Osbourne was the first target.

An unexpected laugh came when she was in a panic on the phone talking to an emergency responder -- also faked -- about the incident. She kept getting asked to describe what the injured part of the driver looked like, including describing the current color.

Khloe was struggling to identify the particular shade of pink or red, and in trying to do so let slip a little something about her own sexual history.

"I’ve never seen a white penis before," she admitted. "I don’t know what they look like."

It was such a candid movie, everyone immediately cracked up. The moment may have been hilarious for Cyrus and her cohorts, but Khloe admitted on Twitter she wasn't even sure she could watch the episode, she was so embarrassed.

"Punk'd" chronicles different celebrities pranking other celebs every Thursday at 10 p.m. ET on MTV.

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