Presenter Kirsty Young has been appointed president of Unicef UK. A long-time supporter of the global children's charity, she takes over from the former Liberal Democrat leader Lord Ashdown of Norton-sub-Hamdon, who steps
down after six years. "As a mother, I can think of nothing more important than keeping vulnerable children safe and healthy," she said. "Unicef is dedicated to that cause and I can't wait to get started by doing my bit to help such a brilliant organisation."
The model David Gandy has become the latest ambassador for the education charity Achievement for All. "These guys are low-profile but high-impact," he said. "The aim of the charity is to get our education system working for every single child in every single classroom, and right now the lives of 41,000 children are being transformed by its programmes."
The TV presenter, singer and fitness expert Michelle Heaton is backing the New Year New You campaign run by Haven House Children's Hospice. The charity is encouraging people to volunteer or take on fitness challenges to raise funds. "By supporting Haven House as your new year's resolution, you can not only have a lot of fun, but also help the hospice continue to make a difference to the lives of local, life-limited children and their families," she said.
The former heavyweight world champion David Haye has become an ambassador for the youth charity the Prince's Trust. His promise to help empower young people to achieve their dreams coincides with his return to professional boxing.
The journalist Simon Jenkins has become a trustee of the Churches Conservation Trust, which cares for churches that are no longer in use. He has written about many of the trust's historic sites in his 1999 book England's Thousand Best Churches.
The actor Sam Heughan, from the TV series Outlander, is raising awareness about male cancer with Cahonas Scotland. His first project with the charity was a voiceover in an animated video that advised men to perform regular self-checks, which can prove vital in the early diagnosis of testicular cancer.
The actor Anne-Marie Duff, and Nadiya Hussain and Michelle Dewberry, former winners of The Great British Bake Off and The Apprentice respectively, are among several famous women who have lent their faces to a WaterAid campaign. They appear in photographs displaying the "1 in 5" figure that represents the number of newborn babies that die from infections their mothers contract from unsafe water.
The singer Stacey Solomon took part in the Christmas party of the children's charity Scotty's Little Soldiers, which provides counselling for children who have lost parents while serving with the armed forces.