Seeing singer Katy Perry in Friday’s issue of WWD wearing a “custom-made latex dress festooned with musical notes” … … inspired my outfit for dinner on Monday. What Wendy Wore Jacket: Vintage Patrick Kelly (purchased on eBay in 2010) Tank top: Splendid Pants: Tark 1 (probably purchased between 1998 – 2000) Shoes: Lagerfeld (1994) Purse:…