Article continues below advertisementAshley Tisdale revealed the real reason she left her mom group.In a scathing essay for The Cut, the High School Musical alum disclosed she left her mom group, which she described as a "toxic" and "mean.""To be clear, I never considered the moms to be bad people. (Maybe one.)," she wrote, in part. "But I do think our group dynamic stopped being healthy and positive - for me anyway."Article continues below advertisementWhile she did not name any members of the mom friend group, the circle includes Hilary Duff, Mandy Moore and Samii Ryan.