Ashlee Simpson Looks Fit At InStyle Magazine's Summer Soiree

Ashlee Simpson looks incredible sexy when she arrives At InStyle Magazine's Summer Soiree. How Ashlee Simpson dropped the pregnancy pounds quickly?Ashlee Simpson-Wentz delivered son Bronx Mowgli in November -- and she's already back to her slim and sexy figure!"After I had Bronx I lucked out," the actress/singer tells People magazine. "I mean, I'm 24-years-old, [I have] the genes from my mother