K‑Pop collective Girls Generation have been announced as the musical guests on the January 31 episode of The Late Show With David Letterman.
The nine-piece band will then perform on popular morning show Live! With Kelly the next day, confirms allkpop.com
The performances mark the first time the girlband have performed on mainstream US television and follows the creation of a specific Billboard K‑Pop chart in recognition of the genre's growing popularity outside Korea.
So there you go.