In March 2019, Brown announced that she would be competing for Great Britain, having previously said that she would compete for Japan. Brown said that she favoured the "more relaxed approach" of the British Skateboarding Association. That year, Brown also came third at the World Skateboarding Championship, and became the first female to land a frontside 540 at the X Games. She finished fifth at the X Games skateboarding event. Brown came third at the 2020 Park World Skateboarding Championships in Brazil.
