You won't find Haylie Duff sticking up for her little sister amid the nasty mom group drama with Ashley Tisdale! It turns out the 7th Heaven alum LIKED The Cut's Instagram post about the High School Musical star's viral essay about breaking up with her "toxic mom group!" Ch-ch-check it out (below): (c) The Cut/Instagram Whoa!!! As you know, Ashley slammed her group of celebrity mom friends in the article, accusing them of engaging in mean-girl behavior and excluding her from events.