Kat Von D & Benji Motley Screwin' Around?

4/25/2009 2:40 AM PDT BY TMZ STAFF
Benji Madden and Kat Von D looked pretty chummy when we caught 'em snuggling on a Hollywood park bench the other night. Sure, Benji's single -- but as far as we know, Kat's still with Nikki Sixx.

Benji & Kat: Click to watch