Hilary Duff slams Ashley Tisdale’s ‘lies’  News.com.auHilary Duff’s Scathing Response To Ashley Tisdale & The Most Dangerous Man On MAFS  MamamiaHilary Duff’s Biggest Call Her Daddy Bombshells: Toxic Mom Group Drama, Lindsay Lohan Feud and More  E! NewsHilary Duff Was “Taken Aback” and “Felt Used” Over Ashley Tisdale’s “Toxic Mom Group” Essay  The Hollywood ReporterHilary Duff Reacts Ashley Tisdale’s ‘Toxic Mom Group’ Essay: ‘I Felt Used’  People.com