See a fresh batch of exclusive Ellen photos!

He's one of the all-star cast members of "Dancing with the Stars," David Arquette is here to tell Ellen about his experience on the show, and his fantastic warm-up outfits. Ellen may even have his new favorite.

David Arquette talked with Ellen about his charity, Malaria No More. To learn more about Malaria No More, including donation information, click here!

Their YouTube video went viral over the summer, and now Sidewinder, a band from the Missouri Air National Guard, is here to perform "Rolling in the Deep." They just got back from Afghanistan where it's 140 degrees, and they brought the heat with 'em!

David comes from a very famous family, andwhile he was here, we learned a family of interesting facts about David! Did you know...

Rick T., from Huntersville, N.C., was on his way to the mall when he saw this. It may not answer the question "Why did the geese cross the road?" but at least we know they used a crosswalk.

Okay, maybe not that serious. Ellen decided it was time to ask Taylor some of the hard-hitting questions. Taylor made it through the grilling, but we don't think she'll ever be the same.

Over the summer, Ellen dropped by Taylor Swift's amazing concert while she was performing in L.A.! The two had an action-packed and hilarious day together. Check out the first part of it right here!

Before they got started, there was one thing Heidi Klum had to do to Ellen -- mess with her hair! Was it an improvement? We'll leave that up to you.

Her book, "The Lean," has some great tips on how to get started with much healthier eating habits. She shared some of her favorites with Ellen!