Estonia's Kelly Sildaru triumphed in the women's freestyle big air competition at the International Ski Federation (FIS) World Junior Freestyle Skiing Championships in Klaeppen, Sweden.
Sildaru comfortably took the junior world title with a total score of 175.40.
She had already secured the slopestyle title at the Junior World Championships.
Her nearest opponent, Megan Oldham of Canada, scored 151.80 to finish in second place.
Britain's Kirsty Muir was third with 145.80 points.
In the men's competition, Norway's Ulrik Samnoey won gold after racking up 185.80.
The Fagan twins from the United States completed the podium, with Kiernan Fagan second on 175.00.
His brother Deven was behind him with 174 points.
In the women's snowboard big air event at the same location, Canada's Sommer Gendron was victorious with 163.00 points.
Gendron had recorded the second-highest score in qualification yesterday.
Germany's Annika Morgan, who had achieved the top score in qualification, had to make do with second on 147.75.
Belgium's Evy Poppe was third with 145.75.
The men's junior snowboard big air world title went to Japan's Ryoma Kimata, who totalled 186.75 points.
His compatriot Aoto Kawakami finished second with 176.25 points, while Canada's William Buffey was third on 168.25.