Defending her honor. George Clooney comes to the defense of his friend Meghan Markle. Tonight, why he's comparing the pregnant Duchess to Princess Diana. Then, hitting a "golden reset buzzer." Two judges and a host are out and we've got the details on a major television talent show shakeup. Plus, "Isn't it Romantic" has a red carpet premiere and its star didn't attend for a very good reason. ET reports on the story of a surprising 'stand-in' who took his place.

And, the best in show! We'll take you inside the "Westminster Kennel Club Dog Show." What does it take for the prized pets to win the competition? Entertainment Begins and Ends with ET.