The trio is in New York. The first appearance is by Emma. She visited the Late Show with David Letterman! I have 392 (!) photos to the gallery of her arriving to the studios in New York.

Emma Watson > Candids > 2009 > Arriving at Late Night with David Letterman
Emma Watson > Interviews > Late Night with David Letterman (July 9, 2009)

Here is the interview!

Today Emma appeared on the Today Show.