Hilary Duff's Mexico Trip Reignite 'Toxic Mom Group' Controversy

• Hilary Duff went on a girls' trip to Mexico with Mandy Moore.
• The trip has reignited the 'toxic mom group' controversy involving Ashley Tisdale.
• The controversy first erupted earlier this year.
• The sources reporting this include the New York Post and Fox News.
• No further developments or responses have been reported.