There this one video I'm tracking down but I think I can find but this lady has the longest and deepest belly button I've ever seen and it gets better scene it a fetish clip someone is fingering her belly button with her whole hand. In less-developed parts of the world, the ratio still favors innies. Per my sources (1996 Guinness Book of World Records), the longest outie ever recorded was 11.9 inches; the deepest-ever innie belongs to Ovilia Clack of Manitoba, Canada, who could safely insert an entire 1923 Ford Model A flivver into her cavernous navel, with room for the.