The actors Stephen Mangan, Nina Wadia and Jason Donovan, the DJs Sara Cox and Jo Whiley and the Britain's Got Talent judge Amanda Holden are among the famous names to have had their pictures taken by the fashion photographer Rankin to promote a new fundraising event from Oxfam. The event, called 'Dressed by the Kids Day', asks people to put their children in charge of their wardrobe on 29 April to raise funds for the charity.
The TV presenter Ben Shephard supported Mad March, a campaign from Haven House Children's Hospice that encouraged people to take up extreme challenges to raise funds for the charity. Shephard is a patron of the charity, which is based in Woodford Green, Essex.
The journalist Jon Snow has been appointed a patron of the New Horizon Youth Centre in King's Cross, London. The broadcaster took on the role after standing down as the charity's chair after 30 years.
Game of Thrones actor Enzo Cilenti has given his backing to Pedal for Parkinson's, the annual cycling fundraiser for the charity Parkinson's UK. Cilenti, whose father has been diagnosed with the condition, has been appointed the charity's Champion of Cycling for 2016 and hopes to take part in one of the four Pedal for Parkinson's events taking place in England and Scotland between June and September.
The former Scotland rugby union player Gregor Townsend has joined the board of the sports charity the Winning Scotland Foundation. Townsend, who is head coach of the Glasgow Warriors, worked for the charity between 2008 and 2010 after his playing career ended.
The Olympic heavyweight boxing champion Audley Harrison is supporting Samaritans' We Listen campaign, which encourages people to contact the suicide prevention charity before they feel overwhelmed.
Tennis player Andy Murray has given his backing to the environmental charity WWF's Earth Hour, which encouraged people to switch off electric lights for one hour on the evening of 19 March to conserve energy and draw attention to climate change.
The singer Joss Stone (left) will be the headline act at a concert to celebrate the 150th anniversary of the children's charity Barnardo's. The event, which will include guest appearances from people who have influenced Stone's career, will take place on 15 May at the Roundhouse in north London.
The comedian and writer David Walliams visited Shooting Star Chase's children's hospice in Hampton, Middlesex. Walliams spent time chatting with families, read extracts from his book Gangsta Granny and handed out signed books and DVDs. "The hospice is an inspiring place and it was a pleasure to meet the families and read to them," he said.
The TV presenter Laura Hamilton called on people to take part in Action for Children's Giant Wiggle fundraising event, taking place between 21 and 27 March. The event, which is based on the children's book The Very Hungry Caterpillar, involves activities for under-fives including forming a giant caterpillar conga line and taking part in storytelling, arts, crafts and healthy eating.
The actor Robert Lindsay voiced a campaign for ZSL London Zoo to promote its latest exhibit, the Land of the Lions. "I'm passionate about protecting wildlife - enabling children to come face-to-face with magnificent animals like a lion is one of the best things you can do to inspire them about conservation," he said.