This Spring Festival season, YOLO by Jia Ling, Hi, Mom's director, has emerged as the reigning champion at the Chinese box office, garnering a staggering 3.23 billion yuan ($450 million) by Saturday afternoon, according to data from film platform Beacon. The film is also likely to launch concerts, which haven't been officially announced yet, according to domestic media reports. Amid all the hype, the film has contributed to a craze for sports and fitness among a vast audience nationwide.