I'm a Stewardess (And So Is She)

I'm not saying someone ripped off somebody else, mostly because I'm not sure which sketch was aired first, but it seems mighty suspicious to me that two different sets of ladies-on-funny-shows would chose to parody Destiny's Child with a stewardess motif.

The more famous Saturday Night Live version:

And the Smack the Pony version:

Click on the second-to-last square near the end of the show, or fast-forward about until you start seeing the dancing stewardesses. Also, if you're interested, watch the credits for what's probably the best sketch in the whole episode.