Celebrities Who Stand Up for a Cause

"Justice for Freddie Gray" is the rallying cry heard across the nation following the death of the 25-year-old Baltimore man while in police custody. Jussie Smollett, Beyonce and Wale are the latest stars to get behind the plea for a change. The celebs join a long list of people who've used their platform to amplify a message and stand up for what they believe in. From Stevie Wonder to Jamie Foxx and Alicia Keys, take a look at the celebrities using their status to call for change, beyond entertainment.