No, this isn't a never-before-seen scene out of Ocean's 11. George Clooney reportedly got into a heated argument with a casino owner in real life!According to The Las Vegas Review-Journal, it all went during a dinner that Clooney attended with Hotel-casino developer Steve Wynn, Wynn's wife Andrea Hissom, Clooney's business partners Rande Gerber and Michael Meldman and a few other powerhouse business people. RELATED PICS: What Happened In Vegas This Weekend?Read more on NewsOK.com