Plot: Sitting down for a must-see television appearance, JENNIFER LOPEZ and MARC ANTHONY are here, and "Ellen" is the only place you'll see them together! They're writing their own rules on how to be a Hollywood power couple, and they're telling Ellen all about it. They've teamed up to create an exciting new dance show called "Q'Viva!" and they'll be joined by the third host and creator of the show, JAMIE KING