On the latest episode she accused him of being "a raging, psychopathic, pathological liar" when he said he was a medical doctor.
After a guest got a bloody nose at a pool party Tyler rushed to help out, but when Dina queried his medical expertise he told her to "back up."
That's when Mrs. Eastwood lost it and the pair had a nasty little spat in front of the others.
The family drama continues on "Mrs. Eastwood & Company," Sundays at 10 p.m. ET on E!
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