Nick Walker has completed a 25ft Moona Lisa in West Hollywood, south on La Brea Avenue near Olympic. The London based artist is in LA for his Pretty Decorating show at the Carmichael Gallery which is available to view through February 24th. Pretty Decorating sold out the same day as the World’s First Urban Art Auction at Bonhams London.  His Moona Lisa fetched for £54000 Estimate £3000-5000.