"I have lost weight without really noticing," the model says, "I haven't dieted and I am healthy. I am perfectly happy with my weight and this is my natural structure."

"I have never tried to lose weight—it hasn't been intentional."

The pictures were taken recently on vacation in St. Barts with boyfriend Gregorio Marsiaj and some pals.

Herzigova put some of the onus on motherhood with son Turin, who is one. "I am a busy working mother, I have a hectic life rushing around looking after my toddler combined with a busy career."

Eva, who is signed with Storm in London, hit headlines as the Wonderbra girl over 15 years ago. The iconic ad campaign launched her career as a top model.

She has current campaigns with Chopard, Louis Vuitton, H&M, Cavalli and others.