According to Brian's description, Sahara went into the store and mocked Hilda for the divorce. She then talked about Nathan being close to one of the young ladies from the Damien Family, him visiting her at work, walking out from a hotel together, and shopping for baby and maternal products, even making an appointment together at the confinement center... Sahara had announced all these in a loud voice just to embarrass Hilda.
At that time, the store was packed with customers, staff and designers.
Sahara deliberately raised her voice so that everyone knew Hilda was divorced and that Nathan was already seeing someone else. Hence, it was totally possible that...