Katie Lee Biegel claimed on her podcast that Chevy Chase mistook her for staff and shooed her away at a keg party with her ex-husband Billy Joel.
https://www.foxnews.com/entertainment/chevy-chase-called-out-being-not-so-nice-billy-joels-ex-wife-keg-party
https://www.foxnews.com/entertainment/chevy-chase-called-out-being-not-so-nice-billy-joels-ex-wife-keg-party