Last week, The Backstreet Boys partnered with Tencent’s WeChat to deliver a livestream show to fans in China. Now, organizers have revealed that the “performance of a lifetime” attracted nearly 45 million watchers. with Tencent’s WeChat to deliver a livestream show to fans in China. Now, organizers have revealed that the “performance of a lifetime” attracted nearly 45 million watchers. The Backstreet Boys played for their evidently numerous fans in China (population 1.4 billion) last Friday morning. Available to enjoy for the ultra-affordable cost of free, the gig arrived on the heels of a previous WeChat concert from Ireland-based boy…