The Carry On and EastEnders actor Barbara Windsor launched the I Love A Bit of Variety T-shirt campaign for the children's charity Variety and said she would be wearing hers with pride. Windsor, who was presented with the Variety lifetime achievement award at the charity's 2010 Showbiz Awards, has been a celebrity ambassador of the charity for more than 30 years.
The tennis star and WWF global ambassador Andy Murray is urged people in the UK to sign up for WWF's Earth Hour on 28 March and switch off their lights for an hour to show they care about tackling climate change and creating a sustainable future. Darkness in homes was matched at global landmarks such as the Houses of Parliament in London, Times Square in New York and the Sydney Harbour Bridge.
The comedians Nick Hancock and Hugh Dennis, the West Bromwich Albion football manager Tony Pulis, the former Stoke City midfielder Rory Delap and the Olympic medal-winning rowers Anna Watkins and Debbie Flood are joining a team of charity rowers for the Tower to Tower Rowing Challenge. They aim to complete the gruelling 450 nautical miles from Tower Bridge in London to the Eiffel Tower in Paris at the end of May to raise funds for the Donna Louise Children's Hospice.
The actors Christopher Biggins and Fay Ripley and the TV presenter Matt Johnson joined patients from Great Ormond Street Children's Hospital for a special pirates and princesses party to celebrate the hotel chain Premier Inn raising £4m for the Great Ormond Street Hospital Children's Charity.
Comedians including Eddie Izzard, Josh Widdicombe, Sara Pascoe and Rob Beckett performed in the Stand Up for Shelter comedy event to raise money for the housing and homelessness charity. The evening was hosted by the radio presenter Christian O'Connell.