Longitude Where: Dublin, Ireland When: July 5-7 The headliners: Chance the Rapper, Cardi B, A$AP Rocky, AJ Tracey, Aminé, Anne-Marie, and Brockhampton Why we're excited: Getting to see artists like Chance the Rapper and Cardi B with the Irish actually sounds like the coolest thing in the world. See the full Longitude lineup. Image Source: Getty / Nicholas Hunt