US rapper Pitbull sets a Guinness World Record at the British Summer Time (BST) festival in London by drawing the largest crowd wearing “bald caps.” Multiple outlets report that Guinness officials counted 22,141 fans wearing bald caps at Hyde Park on Friday. The record is described as the first Guinness World Record for the largest gathering of people wearing bald caps. Reporting notes that the bald caps were worn by attendees as Pitbull prepared to perform his headline set at the BST event. Coverage across outlets converges on the same figure and location, with the event framed as a fan-led effort that led to official recognition. Some articles also characterize Pitbull as being recognized or credited with the record after the count, while others emphasize the collective participation of his fans. Overall, the reports state that Pitbull’s BST Hyde Park show is where Guinness recognized the crowd-wearing bald caps as a new world record.