Yes, Angelina Jolie is a popular star known for helping others. She's done a lot of work with the United Nations, focusing on refugees and displaced people. She donates to many charities and uses her fame to talk about important global issues. Her involvement in various projects shows her dedication to making a difference.

Yes, Keanu Reeves is another star who likes to help people. He's known for his generous acts and donations, especially to children's hospitals and cancer research. Even though he does a lot of charitable work, he prefers to keep it low-key. People respect him for his humility and kindness.

Yes, Oprah Winfrey is famous for her charitable work. She established the Oprah Winfrey Foundation, which supports education and empowerment initiatives. She often uses her platform to promote charitable causes and encourages others to get involved in philanthropy. Her influence has inspired many to contribute to various causes.