DoSomething.org has recognized the most-charitable celebrities of 2013 with its Top 20 Celebs Gone Good list. Keep clicking to see who made the cut. We'll start with No. 20, Justin Bieber. Here, Bieber interacts with young children as he visits San Jose Elementary School on Dec. 10, 2013, in Tacloban, Leyte, Philippines. He previously launched a campaign to help raise money for the victims of super Typhoon Haiyan.