Based in Toronto, Canada, Julianne is a fashion stylist known for her effortless ability to combine the quality and aesthetic of luxury brands with the ease and accessibility of mainstream fashion. Julianne’s sophisticated approach to style is known throughout the industry, as she focuses her work on personal and celebrity styling as well as advertising and editorial projects. 

Julianne’s approach to styling allows every client she works with to achieve an aesthetic that is both meaningful and effortless, while reflecting their individuality. With clients such as Brittni Donaldson, Jessica Mulroney, Bianca Andreescu and Meghan Patrick as well as corporate clients including Mercedes-Benz, Hudson’s Bay, Cleo and Shoppers Drug Mart, Julianne has achieved a reputation as one of Canada’s top stylists. Her secret?

Julianne’s passion is working with women of influence and empowering them to use style as a way to reach their goals and show the world what they are capable of achieving. Her long list of inspirational clients in industries such as Law, Medicine, Tech, Finance, Sports and Lifestyle, to name a few, have led to collaborations with major fashion brands across Canada.

Julianne believes in accentuating your natural beauty in every aspect of your life to create a signature style that represents exactly who you are. Her long blonde curls, crisp red manicure and timeless heirloom accessories have created her signature style, which she credits as being part of her success as a woman, stylist and CEO.

CEO and Creative Director

Julianne Costigan



a few of my

big apple red


classic blazer

heirloom jewelry

California beaches


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"It's red lipstick bold, classic to the core, romantic at heart, and effortless, button-down-shirt sexy."

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meet our

Based in Toronto but originally from the small town of Beeton, Adrienne offers a welcoming and high-spirited approach to her work alongside Julianne. With her Bachelor of Design from the Fashion Communications program at Ryerson University, Adrienne has been an integral part of the Julianne Costigan team. Managing our various marketing channels and assisting with all of our styling services, she brings her inspiring energy to every shoot, meeting and creative project. Her passions include: styling, photography and connecting with anyone she crosses paths with. Her goals in life are to use her strong work ethic and people skills to build a unique place for herself within the fashion industry with a focus on styling and art direction. Fun fact: Adrienne has made occasional appearances as a model in some of our creative content!

Adrienne Dick

Katrina von Borzyskowski

Katrina grew up in a small town just outside of Barrie Ontario and took the first steps in her career in fashion at Ryerson University. Currently working on receiving her Bachelor of Design at the University’s School of Fashion, Katrina’s biggest passion lies in helping people cultivate positive change in their life and career through style. As a senior Style Coordinator in the personal styling department at Julianne Costigan Inc, Katrina works directly alongside Julianne to help every client identify their style and empower them to forge and foster continued universal success in every aspect of their life by using style as a tool rather than a barrier to success. Outside of fashion, Katrina also has a passion for gardening, photography and a good dessert! 

Based in Toronto, Emily joined the Julianne Costigan team in 2020. Emily graduated from Wilfrid Laurier’s Bachelor of Business Administration program in 2016, and obtained her CPA, CA shortly thereafter in 2018 while working with PwC’s assurance practice. Emily is passionate about applying her expertise in finance to the fashion industry, an area that combines technical knowledge with creativity and innovation. What Emily loves most about working with Julianne and the team is being a part of a group of women who wholeheartedly work to enable and inspire women to achieve their goals. In her role as Director of Finance, Emily helps with the day-to-day finance function, and provides input and consultation on business strategy and growth. When Emily takes time away from crunching the numbers, you can find her skiing, cycling, golfing; or enjoying just about any other outdoor activity!

Emily ruta
Director of Finance

- Kim Newport Mimran

"Great style never goes out of fashion."

our motto:

We forge trustworthy, female-empowering relationships with risk-taking, rule-breaking, glass-ceiling-shattering clients, and bring their values, stories, skills and goals to life through style. 



our values

To empower women and brands to embrace their unique assets and offerings by fusing quality, style and price point. We want to help clients celebrate their natural beauty and essence through style, leaving them with an effortless yet chic image that allows their authentic selves and capabilities to shine through. 

our vision

Follow along for more of our style for celebrities, women of influence, advertising and editorial clients


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