Angelina Jolie has donated millions of dollars over the years to charities for children and education, and created the Jolie-Pitt Foundation with her partner, Brad Pitt, to benefit rural poverty.
Justin Bieber supports lots of charities for children, including Pencils of Promise, which builds schools in the developing world.
In addition to creating the Believe Foundation when she was just 18, Rihanna donated $1.75 million to a Barbados hospital last year.
Miley Cyrus has donated her money, face, and time to several passion projects, like the Save the Music Foundation and a nonprofit for shelter dogs.
She doesn't just break records on the charts: in 2012, Taylor Swift donated a record $4 million to the Country Hall of Fame Museum.
You name it, Oprah donates to it, but she's also given away millions of dollars through her three personal foundations.
It's not enough that Channing Tatum looks like that, right? He also donates his time and dollars to the Rainforest Fund.
Aside from her work with UNICEF and Save the Children, Pink donated the money she received from her first baby pics to several different children's charities back in 2011.
DoSomething.org celebrated Robin Roberts as one of the most charitable celebs of 2012 after a short segment on bone marrow donations saw a major surge in registrations.
The Leonardo DiCaprio Foundation gives money for wildlife preservation, with a recent fundraising event bringing in a whopping $38 million.
Besides giving her voice to anti-bullying causes, Lady Gaga donated $1 million to Hurricane Sandy relief last year.