The RBC Royal Bank Bluesfest lineup was released this morning and the stars are plenty. Headliners include Lady Gaga, The Killers, Blake Shelton, Lady Antebellum, Journey, Snoop Dogg, The Band Perry, Tegan and Sara, the Barenaked Ladies, Third Eye Blind and more. The event goes July 3rd to 13th at Lebreton Flats.