Kristen Bell & Sophia Bush: Darker Side of Green Gorgeous

Kristen Bell and Sophia Bush step out for a good cause as they arrive at the Darker Side of Green debate at the Palihouse on Thursday (July 8) in Los Angeles.

The ladies watched as Andy Samberg moderated a debate between environmental advocate Simran Sethi and a climate change skeptic.

“Just finished watching a great Green Debate in LA,” Sophia tweeted last night. “Thank god for people like the incredible Professor Simran Sethi. She is a green warrior.”

Sophia celebrated her 28th birthday on Thursday – happy birthday!!

FYI: Kristen is wearing Jimmy Choo heels.

10+ pictures inside of Kristen Bell and Sophia Bush at the Darker Side of Green debate…