Lena Dunham, of Girls fame, is hosting Saturday Night Live tonight. How's this going to go?

[youtube http://www.youtube.com/watch?v=ysrDkxih_X4&w=600&h=315]

Theoretically, this has the possibility to shut down the Internet for a few 20-second stretches. We don't know a ton about it so far -- she is hanging out with the girls in the cast, though.

https://twitter.com/lenadunham/status/441790081113030656

There's also been some serious fan-girl stuff…