A huge line of fans camped out in front of the Roundhouse to get in to the festival's fourth night - an electric double bill of pop. Harry Styles and company played hit after hit, while their fans sang along at the top of their lungs. Setlist: Steal My Girl Little Black Dress Where Do Broken Hearts Go Midnight Memories Fireproof Ready to Run Little Things Night Changes 18 No Control Drag Me Down What Makes You Beautiful Girl Almighty Story of My Life Best Song Ever