Cody Simpson has a huge support system as he trains for the Australian Swimming Trials ahead of the Olympics, and it’s all thanks to his girlfriend, Marloes Stevens. “Marloes has been supporting Cody while he’s busy preparing and training to compete in the 2021 Australian Swimming Trials in Adelaide (South Australia),” a source close to the Olympic hopeful, 24, and model, 28, shared EXCLUSIVELY with HollywoodLife.