British teenager Mia Brookes became the youngest world champion in snowboarding history after capping off a magnificent morning in Bakuriani, Georgia with a milestone move.<br /><br />The 16-year-old, the first to win world slopestyle gold for Great Britain, also landed the first-ever CAB 1440 double grab in a women's competition en route to a second-run score of 91.38 in her first world championships.<br /><br />That lifted her ahead of two-time defending champion Zoi Sadowski-Synnott of New Zealand, who took silver with a best score of 88.78 from her first run, while Japan's Miyabi Onitsuka completed the podium with 83.05.<br /><br />Brookes, who sealed victory with the penultimate run of the competition, told the BBC: 'I honestly feel like I'm going to cry. I've never been so happy in my life. I can't even speak, I'm that happy. I was at the top and my coach was just like, 'If you want to win this, just try the 14.'<br /><br />'I tried 12 in practice and I came round and almost went 14, and I knew it was possible on this jump. I tried it once before but this is the first time I stomped it, so I'm super happy.'