Seann William Scott'American Pie' star Seann William Scott has checked out of rehab after completing a 30-day program.

Scott, 34, had voluntarily checked into an undisclosed treatment center last month citing "health and personal reasons."

UsMagazine.com is reporting that Scott's rep said that the actor had recently "completed a successful treatment program."

The rep also added, "He is looking forward to beginning production next month on 'American Reunion' for Universal Pictures."