A new variety of rose has been launched by the Macmillan Cancer Support ambassador and classical crossover singer Camilla Kerslake and her boyfriend, the England rugby union captain Chris Robshaw. The "I Am Macmillan" rose, which will be available to buy from September, will raise money to fund Macmillan nurses.
The television talent judge and music producer Simon Cowell has become vice president of Shooting Star Chase after being involved with the children's hospice for more than a decade. Cowell said: "I remember the first time I was invited down to a hospice – I've got to be honest, I was dreading it. I pictured just greyness in my mind before I got there, then I walked in to this place, which should be sad but wasn't. Instead, it was – and is – a beautiful place to be." His partner, Lauren Silverman, has become a patron of the charity.
HRH The Princess Royal made an official visit to the Royal Zoological Society of Scotland's Edinburgh Zoo at the end of May. She has been a patron of the conservation charity since 2009 and her latest visit coincided with two 10-year conservation anniversaries for RZSS – it has been working with chimpanzees in Uganda and giant armadillos in the Brazilian Pantanal since 2005.
The sports commentator and former professional footballer Danny Mills took on an Ironman in June to raise money for the Gordon Ramsay Foundation and Shine – a charity that supports people with spina bifida and hydrocephalus, of which Mills is a patron. He took part in the endurance race – which comprises a 1.2-mile swim, a 56-mile bike ride and a 13.1-mile run – in memory of his son Archie, who died in 2002.
The singer Ella Henderson joined former and current patients of the Teenage Cancer Trust unit at the Great North Children's Hospital, Newcastle, for a birthday party to mark its fifth year of supporting young people with cancer.
The adventurer Bear Grylls and the former Archbishop of Canterbury Rowan Williams are backing the Leprosy Mission's Barefoot Challenge this summer, which encourages people to go without shoes for a day. The aim is to get people to show solidarity with those affected by leprosy, which causes nerve damage.
The presenter Phillip Schofield has helped to launch an emergency TV appeal for ActionAid to help children left devastated by the earthquakes that struck Nepal. He said: "It has been impossible to ignore the utter destruction and loss of lives that not one but two immense earthquakes in Nepal have created."
Celebrities who have suffered from mental health problems – including the television presenters Matt Johnson, Anna Williamson and Gail Porter and the actor Nicholas Pinnock – embarked on the first-ever Mind 3000s trek in May. Two teams walked across Snowdonia and the Lake District to raise £60,000 for mental health services. They completed a 24-hour, 50km trek across 3,000ft mountains.
Medical Detection Dogs has appointed the wildlife and science TV presenter Kate Humble as an ambassador. The charity uses the remarkable olfactory power of dogs to detect odour changes associated with human disease, including cancer from urine samples, and trains dogs to assist people who have long-term, life-threatening diseases such as brittle type one diabetes, a severe form of the condition. She said: "I was utterly blown away by my day at Medical Detection Dogs. The work they do is extraordinary."
The television presenter and home interiors columnist Andrea McLean has joined forces with the British Heart Foundation Furniture and Electrical shops and is encouraging people to have clear-outs and donate unwanted items to the charity. She donated a bed to her local store.
The former rugby player Mike Tindall and the ski champion Chemmy Alcott will go head-to-head with more than 300 quadrathletes in July as they hit the banks of Loch Tay to take on the Artemis Great Kindrochit Quadrathlon in aid of Mercy Corps and Mary's Meals. The gruelling one-day event comprises a 1.35km swim in Loch Tay, a 24km run taking in seven Munros, an 11km kayak paddle and a 54km cycle ride to the finish line. Participants are expected to raise about £250,000.
The auctioneer Adam Partridge from the TV programme Flog It! hosted a valuation day for the Liverpool charity Nugent Care in June. More than 100 people brought items – from paintings and jewellery to a sword and a shark's tooth – to be valued.
Famous faces including the pop groups Little Mix and Union J and the presenters Kate Garraway and Joe Swash joined half a million children and families to support Save the Children's fundraising campaign Den Day. People were encouraged to get sponsored to build dens and spend a day or a night in them.