Think Cossy has big bo*obs? Checkout 30yr old German nude model known as Beshine who is said to own “The World’s Biggest Bo*obs.” Her bo*obs fills a Z cup! As of 2011, Beshine’s br#asts weighed about 20 pounds each. Her bra*s are custom made and she struggles to find clothes that fit. In an interview on her web site, Beshine said, “It is always an adventure to be in public with such big boo*bs.