As it is clear from the theme itself what dress will best suit for emoji theme kitty party. Yes it's yellow yellow dirty fellow. Women can opt for yellow dresses like tunics, one peice, skirt and kurta teamed up with black shoes or sandles. Adorn yourself with simple casual chokers and braclets. Carry sling on shoulders.
Men can wear yellow t- shirt with black trouser teamed up with loafers of any colour. For more decent look they can carry shades.