Popsugar Fashion Style Profile Who Is Sophie Trudeau? Sophie Trudeau Stands by Kate Middleton, but Her Style's Way More Daring October 1, 2016 by Allie Merriam View On One Page Photo 10 of 19 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 10 She Knows Her Fashion Politics For Justin's swearing in, Sophie wore a coat from the Canadian design house Sentaler — and underneath was a dress from Canadian-British designer Erdem. Previous Next Start Slideshow Style ProfileSophie Grégoire-Trudeau