Montreal's Dufour-Lapointe, 20, the 2014 Olympic moguls gold medallist, led a wave of five Canadians into the top 10 of the race in Lake Placid. Andi Naude also reached the podium with a third place finish, followed by Audrey Robichaud, sixth, Chloe Dufour-Lapointe, eighth, and Maxime Dufour-Lapointe, tenth.
For the Canadian men, Kingsbury posted his fourth world cup victory of the season as he led four Canadans into the top six. Marc-Anthony Gagnon also reached the podium in third, followed by Simon Pouliot-Cavanagh, fifth and Philippe Marquis in sixth.
American star Hannah Kearney who split world championships honours with Justine Dufour-Lapointe by winning the duals moguls in Austria last week, finished second Thursday. Russia's Alexandr Smyshlyaev took the runner-up spot behind Kingsbury.
Kingsbury, 22, now has 25 world cup victories on his resume to go along with the 2014 Olympic silver medal he claimed behind teammate Alex Bilodeau.
Justine Dufour-Lapointe now has nine world cup wins and medals in her last four world cup events this season.