Bruce Willis, Daughters and Famous Friends Support Demi Moore at Book Launch

James Corden is asked to reveal his most disappointing guest and which singer is the worst actor in "Cats" for another disgusting edition of Spill Your Guts or Fill Your Guts.

Sometimes it's best to just bite into the fish eye and let it's explosive gooeyness protect you from saying something you might later regret. At least that's the idea behind James Corden's most cruel game Spill Your Guts or Fill Your Guts, played Wednesday night with Demi Moore.

"F--king hell!" the "Late Late Show" host said at one point during the -- fun? -- after smelling said fish eyes. "I hate this game, why do we do it all the time?!"

As usual the spinning table of delicacies was anything but as James and Demi squared off against such delights as thousand-year-old-eggs, cow blood and pork tongue jelly and the most popular dish of the night, a mayo, cheese curd and soy sauce smoothie.

The rules of the game are simple. Either answer an awful question you would never want to admit publicly or down something you would never want to consume in any capacity. And right of the bat, Demi had James on the ropes.

Demi has been making the late-night rounds in support of her new memoir "Inside Out." Now, very few talk show hosts actually watch every project or read every book their guests are coming on to promote. But most lie their way through it any way, speaking in generalities and letting the guest fill in the blanks.

It's just kind of unspoken and understood. Until Demi put the cow blood and pork tongue jelly in front of James and asked him to name his favorite chapter from her book.

"I loved all the-- I loved the--" he floundered for a bit, and then tried on a generality "--the chapter about all the drugs!"

Finally, he had to admit. "I haven’t read it. I haven’t read it, I’m sorry." But then, looking at the dish in front of him, he added, "I should have read it."

There have been many installments of this game where no questions were answered and we just got to enjoy everyone squirming and getting grossed out eating terrible things. But Demi started out strong, and even apologized to that thousand-year-old egg when she did not shy from the very first question: "What's the worst movie you've ever been in?

Declaring it "easy" and herself so happy to have an answer, there was no hesitation to name "Parasite," a 3-D film she did back in 1982 that critics generally agree was just awful.

When James had no idea what she was talking about, she asked if he missed that one, too. "I was reading your book at the time," he joked.

Demi challenged James with a question he's avoided many times already, but there must have been something about the scent of that may, cheese curd and soy sauce smoothie that got the jaw moving because he decided to go ahead and spill his guts on who his most disappointing guest has been.

It all came down to a parody bit they were going to do early on in the show, with a new twist on Rick Ross' "Everyday I'm Hustlin'." Their take was about binge-watching Netflix or something, and apparently Rick sat there and watched the whole thing before excusing himself to the bathroom. After 20 minutes, one of his people came in and said, "Yeah, Rick's not gonna do that."

With him actually spilling, he decided to turn the table -- literally -- and sent the smoothie right back at her. Demi was asked to pick a least favorite from her "Now & Then" co-stars, Rita Wilson, Rosie O'Donnell and Melanie Griffith, while James was pushed to declare the worst actor out of his "Cats" musical co-stars including Jason DeRulo, Taylor Swift and Jennifer Hudson (one of them does have an Oscar, just sayin').

Hilariously, when James asked Demi to name an actor she'd worked with who got paid more than her, she tried to qualify her answer by saying she couldn't say for sure whether or not they deserved it because that's not for her to say and blah-blah-blah, but the name she dropped was her ex, Bruce Willis.

So was she saying she deserved more pay than Bruce? Or would she rather take a hot sauce shooter than clarify what she means?

As always, this proves to be riveting television, as either result is incredibly entertaining. Either we're going to get some hot goss we didn't know we couldn't live without, or we get to see how long it takes before they go to the puke bucket. We will say this, James seems to jump for it faster than most of his guests.

After all this time, you'd think maybe he'd gain an appreciation for bull penis or those deliciously, squishy and explosive fish eyes.

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