The drama began when Ashley Tisdale published a candid essay on The Cut about leaving what she called a ‘toxic’ celebrity mom group, widely reported to include Hilary Duff. While Ashley avoided naming names, the piece quickly went viral and sparked intense online speculation.

Hilary Duff’s husband, producer Matthew Koma, is wading into the “toxic mom group” drama that’s taken the internet by storm.

“@matthewkoma happens to be one of the most talented and generous humans I’m lucky to know,” the actress gushed.