Justin Bieber, Lady Gaga Named Most Charitable Celebrities 2011 By Do Something

What Do Lady Gaga And Justin Bieber Have In Common?
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They're at opposite ends of the pop spectrum but it turns out that Lady Gaga and Justin Bieber have something in common: in a survey of international celebrities that use their status and wealth to do good. Find out why they took the top spots, and who else made the list.