World's tallest man, 30-year-old Sultan Kosen (8'3") married his girlfriend (5'9") Merve Dibo in Mardin, Turkey on Sunday . Kosen was crowned the "world's tallest man" by Guinness World Records in 2009, and had hoped the title would help him find love. Kosen's wedding suit had to be custom made out of nearly 20 feet of fabric.