Florida Georgia Line, Kelsea Ballerini, Lady Antebellum, and Little Big Town perform and send messages of encouragement for their heroes; inside "Jay Leno's Garage"; Olivia Jade Giannulli is tone-deaf; Lori Loughlin's new prison life; Kristen Bell's 40th birthday surprise; movies with a message; new Tiger Queen?; Michael B. Jordan and Jamie Foxx ("Just Mercy");—anonymous