Kerry Katona's older daughters can drink her under the table. The former Atomic Kitten star - who has previously battled with alcoholism - recently celebrated her daughter Molly's 21st birthday with family in Ireland, and she revealed her and her sister Lilly-Sue, 19, whose father is former Westlife star Brian McFadden, hit the booze hard days before. Writing in her latest new! magazine column, Kerry said: "I'm back from Ireland now and what a brilliant time we had celebrating Molly's 21st birthday.