>> oh! cal penn. >> i thought this was the shark's catch. >> today is not a katy perry show, kal, sorry. >> shark tank. totally misunderstood the script. >> you did, but because you're so nice and because we're so nice, especially kevin. >> thank you. >> you kal penn get to announce the final headliner. >> stevie wonder! [ cheers and applause ] >> but, before we get to all that great music. here is how you at home can become a global citizen. changing the world is as simple as this. ♪ ♪ global citizen rewards is your chance to win tickets to