Looking lean! Emma Watson shows off her toned midriff in stomach-baring crop top as she hits the gym

By SARAH BULL Toned: Emma Watson showed off her flat stomach in a pink crop top and low-slung leggings as she hit the gym in Pittsburgh yesterday As Hermione Granger in Harry Potter, Emma Watson rarely has an occasion to show off her figure.But, clearly proud of her toned physique, the 21-year-old actress decided to wear a pink sports bra and very low-slung leggings to display her toned midriff