J.K. Rowling: This is Lumos

JK Rowling talks about the charity she founded, Lumos, to ensure that UN minimum standards for the care of children are implemented across the whole of Europe and beyond. Watch

Jeffrey Wright: Conflict-Free Philosophy

Actor and activist Jeffrey Wright's mining company, Taia Lion Resources, is helping take the conflict out of conflict minerals. His company’s approach in Sierra Leone has parallels for the Congo, where the fight for conflict minerals is fueling the world’s deadliest war. To learn more visit www.RaiseHopeForCongo.org, an Enough Project campaign. Watch

Foo Fighter for Marriage Equality

Dave Grohl is a firm supporter of gay marriage as he and his wife strutted down the Grammy red carpet with a white knot in support of White Knot for Equality, and he talks here! Watch

Behind the Scenes of the Red Nose Day Photoshoot

Jenson Button, Georgie Henley, John Cleese, James Corden, Ant & Dec, David Walliams and others pose for promotional photos in support of Comic Relief's Red Nose Day. Watch

Angelina Jolie - No one chooses to be a refugee

UNHCR's 2012 World Refugee Day global social advocacy campaign, “Dilemmas”, aims to help fight intolerance and xenophobia against refugees. UNHCR Special Envoy Angelina Jolie and a host of other celebrities echo the same strong message: No one chooses to be a refugee. Watch

Soccer Aid 2012: Robbie Williams in Mexico

UNICEF Ambassador Robbie Williams travels to Mexico, a country where over half the children live in poverty. Watch

Ewan McGregor Issues Appeal for the Children of the Sahel

Actor and UNICEF Ambassador Ewan McGregor delivers a public service announcement appealing for aid for children affected by the Sahel food crisis. Watch

Angélique Kidjo supports World Immunization Week

UNICEF Goodwill Ambassador Angélique Kidjo delivers a public service announcement encouraging vaccination efforts during World Immunization Week. Around the world, 4 out of 5 children are vaccinated against diphtheria, tetanus and pertussis – but more must be reached. Watch

Selena Gomez: Text FOOD to 864233 To Save Children

UNICEF Ambassador Selena Gomez is lending her star power to UNICEF’s campaign to save lives in the Sahel region of West and Central Africa. Watch

George Clooney Witnesses War Crimes in Sudan's Nuba Mountains

WARNING This video contains graphic content that some viewers may find disturbing. Watch

JLS - Proud

Music video by JLS performing Proud for Sport Relief. Watch

Pete Wentz's MASScanvas Challenge For Invisble Children

Pete Wentz of Fall Out Boy is teaming up with online community MASScanvas, encouraging fans to design and illustrate “POWER” themed T-shirts. A portion of the sales of winning T-shirts will benefit Invisible Children. Watch

Robin Wright in Congo

Actress and activist Robin Wright recently visited eastern Congo with the ENOUGH Project, to see first-hand the effects of the fight to control Congo’s conflict minerals. To learn more about what you can do to help stop the deadliest war in the world, visit www.RaiseHopeForCongo.org. Watch

John Legend at the IRC Refugee Youth Summer Academy

On July 7, 2011, John Legend visited the International Rescue Committee's Refugee Youth Summer Academy in New York, where newly-arrived refugee kids and teens are learning to adjust to life and school in the United States. The international recording artist and nine-time Grammy winner is also an IRC Voice, working to raise awareness of the humanitarian needs of refugees. Watch

Sarah Wayne Callies and the International Rescue Committee

Sarah Wayne Callies is a long-time supporter of the International Rescue Committee (IRC). In this video, she speaks of the IRC’s work assisting refugees and her role as an IRC Voice, drawing parallels between the experience of the character she plays in the AMC TV series “The Walking Dead” and the hardship and trauma that refugees endure. Watch

Rashida Jones & IRC in Thailand

IRC Voice Rashida Jones visits the Tham Hin camp in Thailand, where the IRC is the sole provider of health care and drinking water to Burmese refugees who have lived in the camp for years. Watch

Serena Williams PSA Addressing the Crisis in the Horn of Africa

UNICEF Goodwill Ambassador, Serena Williams, makes an appeal for continued support in the Horn of Africa Watch

Ewan McGregor's Appeal to Help Children in East Africa

UNICEF Ambassador Ewan McGregor calls on the British public to help the millions of children affected by the drought in East Africa. UNICEF urgently needs almost £20million ($31.8 million) to provide life saving supplies to weak and starving children across East Africa in the next three months alone. Watch

Do 1 Thing On World Refugee Day With Angelina Jolie

UNHCR Goodwill Ambassador Angelina Jolie's message for World Refugee Day 2011. Watch

Dave (Phoenix) Farrell From Linkin Park Visits Haiti 15 Months After The Earthquake

Dave “Phoenix” Farrell, a member of the two-time Grammy winning, multiplatinum band Linkin Park, shares his impressions following his trip to Haiti with Music for Relief and the United Nations Foundation. Phoenix traveled to Haiti to see firsthand how the United Nations is helping Haiti rebuild, fifteen months after a major earthquake killed hundreds of thousands and destroyed much of the nation’s infrastructure. Watch