Oh, how I wish there was a video of this somewhere!
Click to the second picture!
I realize that I'm generalizing here, but as is often the case when I generalize, I don't care. ~ Dave Barry
They have it up on Youtube to watch. The video also contains the men's swim team dancing to Single Ladies
Edited to add: http://www.youtube.com/watch?v=nKdiWeAM3fA
Here's the video and the gangnam style part is around 1:30