[moomies]

She had the string implants.

http://en.wikipedia.org/wiki/Chelsea_Charms

From Wikipedia

Chelsea Charms (born March 7, 1976 in Minneapolis-St. Paul, Minnesota) is the stage name of an American big-bust model. She is best known for her extremely large breasts, certainly among the largest in the world and achieved through the use of polypropylene string breast implants. The string implants irritate the breast pocket which, in turn, promotes the production of fluid. The fluid is absorbed by the implant, resulting in continuous, gradual growth of the breast.
Chelsea's bust size is listed as 153XXX; fairly typical of the hugely over-stated stats used by big-busted feature dancers. Her breasts weigh 31 pounds (14 kilograms) each. Because of the nature of her string implants, Chelsea's breasts are continually expanding (by about 25 millimeters a month). Regular visits to her surgeon in Houston to have excess fluid drained are necessary.
Chelsea was a natural D cup and began developing in the fourth grade. She has had breast augmentation surgery three times. The first enlarged her to an E cup. The second to an HH. Both were saline bags. The third surgery implanted the polypropylene string. In some cases of breast augmentation via the polypropylene method, the breasts may grow at different paces or at a dangerously accelerated rate. In her case, they have grown in unison, but their growth rate has steadily slowed over the years. The initial string content was equivalent to 2500cc. Her doctor estimates the growth has increased the size of each breast to over 7000cc.