All the little details

"And don't forget her chest." Mrs. Roberts went on. "Your instincts might tell you to draw a female figure with full, round breasts. But look at what's actually here."

Mrs. Roberts thrust her ruler at Lauren's naked chest, attracting everyone's attention to it.

"In reality, Lauren's breasts, while not totally flat, are the size of lemons or kiwis." Mrs. Roberts explained. "Use shading to express their tear drop shape, and take careful note of her large nipples thrusting out. An interesting contrast."

Lauren's face was neon. She wanted to flee, but where could she go? She was naked at school! All she could do in this nightmare scenario is pose while everyone drew her likeness.

"As we continue, begin filling in the finer details." Mrs. Roberts explained to the eager class. "For instance, Don't miss the slight shadow created by her stomach, which sags slightly over her crotch."

Lauren heard snickering as everyone noted her not quite flat belly.

"Also, if you look carefully, you'll see slight cellulite on Lauren's backside and upper thighs."

"Lauren has cellulite?!" A girl exclaimed as the class tittered.

"Yes, it is pretty surprising for such a young woman to have it." Mrs. Roberts pointed out as Lauren felt faint with humiliation. "Another key detail to capturing her likeness. Be sure to get the slight texturing it creates on her..."