Michael Lohan Jr. malibu  surfing body lohan lindsay lohan Lindsay Lohan's younger brother Michael Jr. checked out an impressive set of freckly pecs after surfing in Malibu Monday.

Joined by brother Cody, the Lohans braved the cold, but sunny weather to hit the beach before Lindsay appeared on her first interview since rehab.

Michael Jr., who joined his mother and other siblings in LA last week to visit Lindsay during her latest legal troubles, is set to re-enter the family business with a role in Growing Defiant (produced by mom Dina), where he'll play a heroin addict.

Although this will be his first starring role, Michael, Jr. did have a minor role in one of his sister's early films -- click through to see which one!