This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Adam Levine, who mentored Christina Grimmie ...

"I'm so blown away by everything right now. But all I can say is thank you," Grimmie's brother Marcus, who shared the news via Facebook, wrote in a post. By Michele Amabile Angermiller, Billboard ...