In the photo captioned, "Where @keegankillian and @luisbalaguer [her manager] cant find me!!!," the "Modern Family" star is all smiles as she sunbathes by a pool in a pink bikini bottom.
Vergara, 40, has become an international icon for her curvacious figure that contradicts the current standards for women in the entertainment business.
However, the brunette bombshell -- who is actually a natural blonde -- is as self conscious about her body as everyone else.
"I was still skinny but suddenly I had these big boobs," she told Shape magazine regarding her puberty. "It was terrible! I used to tell my mother, 'I'm going to cut these off as soon as I turn 18.'"