Sean Penn Joins Instagram During Haiti Trip!

Sean Penn sports a backwards cap while taking a stroll near his home on Tuesday (December 10) in Los Angeles.

A few weeks ago, the 53-year-old actor was spotted looking dapper while grabbing dinner with Mad Men star Jon Hamm at Dan Tana’s Restaurant in West Hollywood.

PHOTOS: Check out the latest pics of Sean Penn

In case you didn’t know, Sean joined Instagram while he was spending time in Haiti, where he partnered with his J/P Haitian Relief Organization to bring sustainable programs to the country.

15+ pictures inside of Sean Penn heading out for a solo stroll…