From Star-Studded Charity Events to Product Promotions

 - Jun 12, 2009   Updated: Mar 24 2011
People have turned to celebrities to find the latest in fashion, technology, and pop culture for decades. As of late, celebrities have been using their star powers to promote charities and causes.

Check out the slide show below to see everyone from Angelina Jolie to Rihanna and Katy Perry raising awareness.

Implications - Celebrity testimonials are not new to the advertising world, but charities and activist organizations are increasingly using the viral power of celebrities to attract attention, press and legitimacy to their initiatives. Celebrities are simultaneously making use of high-profile charitable ventures to augment their public perception; Angelina Jolie, Bono and Eminem are just some of the many celebrities who have done so successfully.