Ngemuva kokuvela kuphrojekthi yayo yePalermo Summer Nights, uMica Arganaraz ubuyela engxenyeni yesibili yomkhankaso kaSaint Laurent wokuwa nobusika buka-2018. Ithathwe ngu Inez & Vinoodh , imodeli yase-Argentina ime ngochungechunge lwezithombe ezimnyama nezimhlophe. Stylist U-Alastair McKimm ugqokisa uMica ngezikhindi zesikhumba, amabhantshi oboya kanye namabhuzu epulatifomu. Ngobuhle, UJimmy Paul usebenza kuma-curls akhe esiginesha nge-makeup by Kanako Takase.
I-Saint Laurent Fall/Winter 2018 Campaign