Ruth Langsford has spoken about her relationship with her three stepchildren – even joking that she signs off as their "wicked stepmother".The Loose Women star, who has three grown-up stepchildren through her marriage to Eamonn Holmes, spoke on Wednesday's episode about the family's close bond.MORE: Eamonn Holmes talks 'difficult people' working in TV following This Morning exit"It is interesting how it's always the stepmothers who are portrayed as the wicked or evil stepmother," said Ruth.