Chris Rock, LeBron James and Other Celebrities React to Ferguson Decision

Celebrities expressed sadness, frustration and disappointment across social media Monday after a grand jury in Missouri declined to bring charges against police officer Darren Wilson for the Aug. 9 shooting of unarmed black teen Michael Brown.

Basketball star LeBron James used the opportunity to harken back to the 2012 shooting of Florida teen Trayvon Martin.

L.A. Lakers star Kobe Bryant came out strong against the justice system.

Chris Rock quoted W.E.B. Du Bois to voice his displeasure of the decision.

Katherine Heigl was saddened for Brown's relatives.

Cher disagreed with the grand jury's decision, but also decried the protests that followed.

Pharrell Williams wanted a different outcome.

The situation was emotional for Missy Elliott.

Moby was stunned that the grand jury decided not to bring an indictment.

Magic Johnson expressed disappointment in the decision.

Katy Perry tried to keep up with the situation from Australia.

Olivia Munn focused on the need for meaningful outcomes.

Russell Simmons hoped for a safe night.

Lena Dunham wants justice and change.

Orlando Jones wished for a different outcome.

Josh Groban hoped for peace to prevail.

Gabrielle Union wants social change to emerge.