‘Real Housewives’ alum Gretchen Rossi slams Chrissy Teigen over Michael Costello’s claims: ‘Disgusting’

The former "Real Housewives of Orange County" star commented under Michael Costello’s Instagram post and called the "Cravings" author "disgusting" for her alleged behavior towards Costello and others who have publicly revealed their own social media run-ins with Teigen.