Kerry Katona has opened up about her disappointment after feeling "let down" by her children on Mother's Day. The 42 year old singer - who is mum to Molly, 21, Lilly-Sue, 20, Heidi, 16, Max, 14, and eight year old DJ - confessed to OK! how she felt upset that Heidi was the only one to give her a card on the special day. She shared: "There was such a lack of effort from them and Ryan.