Over the span of just two days, two black men have been shot and killed by police officers, sparking outrage across social media and refueling the impassioned cries behind #BlackLivesMatter.

Celebrities like John Legend, Zendaya and Drake have taken to Twitter and Instagram to express their sadness, anger, and confusion over the deaths of Alton Sterling, shot outside a convenience store on July 5 in Baton Rouge, and Philando Castile, shot on July 6 during a traffic stop in Falcon Heights, Minnesota.

Unsurprisingly, both men's names were trending hashtags across social media following their deaths.

See how celebrities have reacted to the news and urged fans and followers to create change.