Single Holly -- Sketchiest Person Ever

10/13/2008 8:05 AM PDT BY TMZ STAFF
Holly Madison's done with bedding an old fart. Now she's moved on to making some extremely lifelike art.
Holly Madison: Click to watch
Check out the portrait she drew us while eating at Mel's Diner in Sherman Oaks. Who is it? Here's a hint: Girl loves lucite.