The ladies weren't particularly interested in the teen's upcoming nuptials to Aussie hunk Liam Hemsworth.
"F*ck her," joked Whitney. "She's 20. F*ck her! ... We have real problems."
The guy with his finger on the censor button gets his weekly workout when "Kathy" airs Thursday nights at 10 p.m. ET on Bravo.
TV Replay scours the vast television landscape to find the most interesting, amusing, and amazing moments - and delivers them right to your browser.
RELATED ON HUFFPOST:
HuffPost Entertainment is your one-stop shop for celebrity news, hilarious late-night bits, industry and awards coverage and more — sent right to your inbox six days a week. Learn more