'Charli XCX made the O2 brat with floor licking, outfit slips and 20,000 person rave'
				
																	
								
				OPINION: Senior Features Writer Layla Nicholson went to Charli XCX's brat tour at the London O2 last night - it transformed the dome into one big sweaty feral floor licking rave				
			
			
			
			
						
						
						
					
		