United Kingdom, May 19 -- Mandy Moore has admitted Ashley Tisdale's viral essay "cut to the core".

High School Musical star Ashley called out "mean-girl behaviour" in a piece for The Cut about cutting ties with some of her friends from a "toxic" mom group last year, sparking speculation she was referring to the likes of Mandy and Hilary Duff, and now the This Is Us star has revealed she found the scandal "way more upsetting" than other commentary on her life.

Speaking to Andy Cohoen on his SiriusXM show Radio Andy, Mandy said: "It's wild to have anybody talk about your life, and I know Hilary [Duff] has sort of mentioned this too. It's like we both have grown up in this business and had people dissect who we are and the choices we make ...