Naomi Campbell's Sheer Madness

9/27/2007 2:09 PM PDT BY TMZ STAFF
Last night, demented supermodel Naomi Campbell got real shady -- as in lampshade!

The 37-year-old hit her assistant a London club in this shapeless sheer black Lamps Plus gown. Lights out!

For once, someone ought to smack some sense into her!