The flamboyant pop sensation Lady Gaga talks about the creative process behind her single "Applause." She explains how being forced to slow down by a hip injury actually helped her to focus, about working with famous names from the world of art, and exactly how much it means to her to be performing again for her adoring fans.

Jimmy Carter asks Adam Sandler about some biting criticism he had received in regard to his Saturday Night Live appearances. They also talk about the old days, Sandler's various characters, and his movie The Wedding Singer.

Prince Harry and Meghan Markle talk about how they met, their magical camping trip to Botswana, and how he popped the question.

George Clooney discusses his long lasting partnership with Nespresso and what makes it his coffee of choice.

Singer Meghan Trainor sits down with Ellen for her first interview since undergoing vocal cord surgery.

President Obama drops by a meeting with YouTube personalities to learn about how they're using YouTube to connect with an audience of millions of people and to discuss why it's important for young people to visit HealthCare.gov and learn more.

What does the Holocaust have to do with us, anyway? In part four, Roderick Miller, the chair of the nonprofit organization Tracing the Past, gives a talk at TEDxVienna about the Holocaust and contemporary Europeans' perception of the space they live in.

Late, great actor DeForest Kelley talks about the success of the "Star Trek" series and what it's like to be an aging actor at the time of the release of "Star Trek V: The Final Frontier". This includes a great clip from the original series featuring William Shatner, Leonard Nimoy and actress Joan Collins. Enjoy!

What does the Holocaust have to do with us, anyway? In part one, Roderick Miller, the chair of the nonprofit organization Tracing the Past, gives a talk at TEDxVienna about the Holocaust and contemporary Europeans' perception of the space they live in.

Bruce Willis talks with Hollywood reporter Jimmy Carter about his own favorite films and his aversion to administering corporeal punishment to children. When Carter inadvertently insults Willis by saying that the film "Deep Impact" is "bigger than two Die Hards", watch how Willis proves himself a master of diplomacy. Who could have guessed?

Noam Chomsky, one of the great philosophers and political commentators of our time, explains how stupid people may be the ones who determine the future of mankind — or the lack thereof...

Official Playboy body painter Mark Frazier explains his techniques, and a Playboy model tells what it’s like to walk around a crowd wearing only her boots and thin layer of paint!

President of the Polynesian Voyaging Society and Master Navigator Nainoa Thompson spoke about what the voyage of the seven vaka means to him and what the consequences are for the entire Pacific. The voyage motto of the Pacific Voyagers is: “Move your paddle slowly through the water.”

Cheryl Cole, band member of Girls Aloud, talks about some of the highlights in her career.

Selena Gomez: The best day ever!!