Justin Trudeau

Justin Trudeau, in a flowing white ensemble paired with strappy black mandals, and wife Sophie Gregoire, in a navy blue jumpsuit, at the Toronto International Film Festival on Sept. 9, 2012.

Justin Trudeau and his wife, Sophie, on Tuesday after his Liberal Party prevailed in Canada’s general election.

Justin Trudeau leaves a polling station with his wife, Sophie Gregoire-Trudeau, and children, from left, Hadrien, Xavier and Ella-Grace, after voting in the federal election on Monday in Montreal.

Justin Trudeau’s penchant for a chunky neck knot was on display during an October 2013 visit to Washington, D.C.

Justin Trudeau picks pumpkins with his wife, Sophie Gregoire-Trudeau, and children Xavier, from left, Ella-Grace and Hadrien, in Gatineau, Quebec.

Canadian Prime Minister-designate Justin Trudeau, center, clowns with campaign team members Tommy Desfosses, left, and Adam Scotti on Monday.

Justin Trudeau waves with his wife, Sophie Gregoire-Trudeau, at the Liberal Party headquarters in Montreal.

Justin Trudeau walks from Parliament in Ottawa on Oct. 20, 2015.

Justin Trudeau and his wife, Sophie Gregoire, serve baklava to supporters during a campaign stop at a Greek restaurant in Laval, Canada.

Canadian Prime Minister-designate Justin Trudeau speaks during the rally to celebrate his party’s majority victory in Canada’s election on Tuesday.

Sophie Gregoire, wife of Justin Trudeau, shown with daughter Ella-Grace, center, and son Hadrien on Oct. 19, 2015, has her own style credentials, having been a personal shopper at Holt Renfrew, a TV announcer and even modeling in a charity runway show.

Xavier Trudeau covers his eyes as his parents, Liberal Party leader Justin Trudeau and Sophie Gregoire, watch election results at a Montreal hotel on Oct. 19, 2015.

Prime Minister-designate Justin Trudeau leaves his first news conference since winning the election on Oct. 20, 2015, in Ottawa

Justin Trudeau stops for a photo with supporters during a rally on Saturday in Halifax, Canada.

Justin Trudeau jokes around with the woman whose picture is on the side of his campaign bus during an event in Amherst, Canada.