"AI girlfriend" site Muah[.]AI had 1.9M email addresses breached last month
twitter.com
twitter.com
Would not be surprised to find future breaches arising from developers or key employees being blackmailed over this type of content and compromising their product's security to keep it quiet.
I tried one of the telegram chatbot "girlfriends" posted here but I wasn't impressed. Not sure why you'd want it. And I'd only run it locally anyway.