Bill Maher took a vicious shot at Bill O'Reilly out of nowhere, taunting his fall from Fox News mainstay to podcast host — and O'Reilly shot back. Katee Sackhoff is just one of many sci-fi icons who have appeared on "The Big Bang Theory," and she felt strongly about her cameos on the show.

Dive into Nicole Kidman's post-divorce life as she ignites controversy with a surprise moment at a Nashville concert. #NicoleKidman

Before The Road landed at CBS, Shelton was pitched a concept of the show. Although loving the idea, he insisted, “There’s no freaking way any superstar will ever allow that.” Having helmed more than a few tours himself, the country singer knew how protective singers can be when it came to their concerts.