Just days after seemingly going public with a mystery girl, Jason Hernandez again intrigued his curious followers after sharing a glimpse of themselves enjoying their date at what appears to be a concert. On his Instagram Stories last May 16, Hernandez posted a short video that showed only a dark silhouette of himself and his rumored new girlfriend as they were watching the performance onstage, his arms wrapped around the woman.       The singer-songwriter, however, has yet to disclose the identity of his new girlfriend, as of this writing. Hernandez's post comes a week after he shared a photo of himself getting cozy with a woman whose fac...Keep on reading: LOOK: Jason Hernandez goes to concert with mystery girl