The New York Times recently reported on the growing number of celebrities donating their paychecks and time to various charitable organizations, garnering praise from celebrity news blogs and tabloids.

But as this trend increases and seeps into a range of organizations and cause marketing initiatives, so does the skepticism from the media and public about the degree to which celebrity involvement and philanthropy genuinely coexist.

Publications like The Chronicle of Philanthropy, which tracks stars' partnerships with charities, nonprofits, and grants, ...