James Caan -- Go to Smell!

9/8/2009 1:45 AM PDT BY TMZ STAFF
It's official -- James Caan stinks.

After getting one whiff of Sonny Corleone outside Boa this weekend, one fan couldn't help but talk about how good the actor smelled.

We tried to get him to share the secret to his stank. It didn't go well.