This is what had me cracking up during the show today.

While on the air today, Kat was telling me about these "Gangnam Style" videos that a re huge hit virally as well as in her household.  While I had heard of it before, I had not actually seen the video, so I opened up the original HERE. While I was making fun of it on the air, Kat busted out this fully realized choreographed dance number completely in sync with the video.  I couldn't contain my laughter.  Here is the video of what Kat was doing that had me laughing so hard: