Ben Affleck: Taking the Live Below The Line Challenge!

Ben Affleck flashes a smile as he stops by a local coffee shop on Tuesday (April 30) in Santa Monica, Calif.

The 40-year-old actor recently announced that he would live on less than $1.50 a day and take part in the Live Below The Line challenge to bring attention to extreme poverty.

PHOTOS: Check out the latest pics of Ben Affleck

“1.4 billion people live on less than $1.50/day. I’m joining Live #BelowTheLine on behalf of @easterncongo,” Ben wrote on his Twitter account. “Will you?”

10+ pictures inside of Ben Affleck at a local coffee shop in Santa Monica…