I don’t think I’ve linked to any of the videos here, but I’ve been a fan of James Cordon’s carpool karaoke for a while. His latest guest was the First Lady of the United States:

The Late Late Show with James Corden: First Lady Michelle Obama Carpool Karaoke. (YouTube, 15 minutes)

Bonus link: Comedians in Cars Getting Coffee: “Just Tell Him You’re The President“