Alison Hammond and Dermot O’Leary finally began their Friday hosting duties on This Morning today.The pair have taken over hosting the hit ITV morning show on Friday’s from Ruth Langsford and Eamonn Holmes.The pair wore matching black as they kicked off the show discussing Alison's live karaoke session, before launching into their first segment with psychic Jemima Packington. Get exclusive celebrity stories and fabulous photoshoots straight to your inbox with OK's daily newsletter.