Pitbull made history by headlining the largest concert ever held at American Express presents BST Hyde Park, performing in front of a crowd of 69,999 fans. The show also earned a Guinness World Record after 22,141 people in attendance simultaneously wore bald caps in tribute to the singer's signature look. Before taking the stage, Pitbull was presented with the official Guinness World Records certificate. He then treated fans to a 20-song set featuring hits including "Don't Stop the Party," "Hotel Room Service," and "International Love." Special guests Lil Jon and Kesha joined him for the finale, performing crowd favorites like "Timber," "Fireball," and "Gasolina."