It's not so much size, but proportion and nipple placement, that makes the perfect breast, according to an article from ChinaDaily.com.

According to the story, researcher and one of the founding surgeons of Mybreast.org (and envy of men the world over), Dr. Patrick Mallucci, spent hours studying topless photographs of women to determine the characteristics that make the "perfect breast".

What he found is the "model mammary apparently has a nipple that points slightly skywards, and an upper half just a bit smaller than the bottom half... The ideal is a 45 to 55 percent proportion - that is the nipple sits not at the half-way mark down the breast, but at about 45 percent from the top." The women with the best breasts in the world? Model Caprice Bourret.

The worst breasts in the world? According to Dr. Mallucci, his patients "begged him not to make their breasts the same shape as Victoria Beckham's 'unnaturally round' globes.

You can read the story here.