Kris Allen was a guest on Radio Disney's Take Over on Thursday. He was interviewed between songs and sang "Heartless" and "Live Like We're Dying" acoustic. Radio Disney has the video of the two performances plus his introduction up on their website.
Here's audio of the interviews:
Part 1 (Kris talks about auditioning for American Idol with his brother, his winning moment, the first time he heard his song on the radio, and cooking):
Part 2 (Kris talks about the Idol mansion, advice for S9 contestants, going to John Mayer concert, his band, Simon Cowell, and his most embarrassing moment):
ETA: Kris on the Radio Disney Weekend Countdown: