After her appearance on "The Tonight Show" on Thursday night, where she promoted the release of "Life As We Know It", Katherine stopped to chat 'Backstage With Bryan' about the Jason Debus Heigl Foundation and The Compassion Revolution.

In the video clip, Katherine appears shortly after the Jackass stars speak to Bryan:

She was also joined backstage by the actor Ben Rappaport, who had earlier revealed on the show that he had a crush on Katie stemming back to her role as Alexia Wheaton in 1996's "Wish Upon A Star".