Call it Victory Sunday: Postseason Edition.

Hours after the Seahawks pounded the 49ers in Saturday’s divisional round of the playoffs, quarterback Sam Darnold’s fiancée took to her Instagram Stories to celebrate Seattle’s commanding 41-6 victory.

Captioning her post, “Happy victory Sunday,” Katie Hoofnagle showcased her game-day look that consisted of a Seahawks varsity jacket and light-wash jeans. She also posted a separate slide from Saturday’s game at Lumen Field, where her group toasted with glasses of bubbly.

Darnold, who entered the game without a postseason win, completed 12 of 17 attempts for 124 yards and a touchdown as Seattle earned the right to compete in its first NFC title game since 2014.

The Seahawks dominated from start to finish, beginning with receiver Rashid Shaheed returning the opening kickoff for a 95-yard touchdown. Star running back Kenneth Walker III also rushed for three scores.

“One of our most complete games, for sure,” defensive lineman Leonard Williams said postgame. “(Shaheed) starting the game off like that set the tone.”

The Seahawks, the NFC’s top seed who finished the regular season at 14-3, will host the winner of Sunday’s divisional clash between the Rams and Bears in next weekend’s NFC Championship game.

Until then, Darnold, 28, and his biggest supporter are going to savor the latest win.

Coming off a career-reviving season with the Vikings, in which he reached the postseason for the first time, Darnold agreed to a three-year, $100.5 million deal with the Seahawks in free agency last March.

He threw 25 touchdowns against 14 interceptions through 17 regular-season games.

Darnold proposed to Hoofnagle in July before taking his first official snap with the Seahawks.

The NFC Championship game kicks off Sunday, Jan. 25, at 6:30 p.m.

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