'Tis the season for holiday parties, but what to wear? Especially when the invitation reads "creative black tie." Huh? Style expert Genny Iannucci is here to help you crack the holiday dress code!

Dressy Casual

Translation: Turn up the volume on your casual look. Your host wants you to be comfortable but to kick it up a notch! Dark-wash denim with minimal detailing is A-okay, but pair it with a high-volume top for some va-va-voom. As for the men, wear a nice jacket with comfortable pants.

Above, on him: tuxedo blazer, silk scarf, Grandad shirt and black denim, all H&M. On her: sequin gunmetal tank, Le Château; Italian lamb-leather legging, Danier; jewellery and glitter case, Le Château.

Business Formal

Translation: Your best day-to-night work attire. Women should avoid dressing too sexy. Choose polished pieces and tailored cuts. Men should opt for a traditional suit with an interesting tie and eye-catching pocket square.

Above, on her: floral-print kimono, silk-blend floral appliqué shell, double-weave pencil skirt, leather-like chain-strap shoulder bag, jewellery, Le Château. On him: Ermenegildo Zegna pinstripe suit, light-blue dress shirt, Tino Cosma pocket square, Robert Graham tie, all Harry Rosen.

Cocktail

Translation: A semi-formal outfit with some personal flair. Ladies, this is your opportunity to play up your assets with a sexy dress and killer heels. And for the men, single out one piece (jacket or pants) to take in a more fashion-forward direction.

Above, on him: velvet contemporary-fit blazer, checked tailored-fit dress shirt, wool-blend straight-leg striped pant, belt, all Le Château. On her: satin and lace cocktail dress, jewellery, satin minaudiere, all Le Château.

Creative Black Tie

Translation: Formal at its best: tuxedos for men and gowns for women—with a creative edge. With this invitation, feel free to bring the bold and put a twist on the traditional.

Above, on her: Jovani Peacock evening gown, Freda's; jewellery, Le Château. On him: Dolce and Gabbana cigarette jacket, green bow tie, dress pants, white dress shirt, cufflinks, all Harry Rosen.

A Canadian fashion-industry insider for over 20 years, Genny Iannucci is an expert in how to flatter your figure and build a strong, versatile wardrobe. Her passion? Helping women look their best on a budget.