Without a doubt, the picture in question is an outstanding piece of work. The palette of colors was skillfully chosen, nicely complementing the rare skin carnation of the model. Not only the color but also the shape of the watermelon is highlighted by the worn clothing. With all of the magnificent curves clearly visible, the fruit is able to present the full extent of its exotic beauty. Truly, never before had any fruit been this alluring!
However, the model appears to be somewhat unsure of her own grace, since she sends a worried glance to the viewer. I cannot help but wonder if this was an impression that the author was planning on achieving. Regardless of this, do not fret, fair watermelon! There is no reason to question your worth! There truly is no other like you!... However, you would benefit from a little bit more detailed background and some shading. White reflexes too would be a good idea, since they would convey to the audience the one of the kind texture of you smooth skin.