Puzzle 9

David __, designer of Lady Diana's wedding dress

Also Ezo; second-largest island of Japan

Clarity, simplicity

Letter pouch

Barb-tailed bottom dweller

Battle of __ features in Shakespeare's Richard III

Purported medicine, essence of viper

Currency of China, equivalent to a yuan

Courtney Cox added this name when wed David

Pushing a button on a screen

Solar design motif of the art deco age

Twice the square root of 81