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.

Singer and actress Ashley French, formerly Tisdale, has recently opened up about her experience of leaving her “toxic” mum friendship group, and has encouraged other mothers to stand up for themselves...