Grace VanderWaal hosted her Billboard Live At-Home concert on Thursday afternoon (April 16), raising money for My Friend's Place, which assists and inspires homeless youth to build self-sufficient lives.Ukulele in hand, plants in the background and her dog Frankie snoozing on the bed, the 16-year-old set up an atmosphere to bring viewers zen amid an anxiety-inducing coronavirus crisis. "I've been in a super peaceful mood today, really mellow," she explained.