Jonah Hill A Little Off the Sides

7/14/2011 10:05 AM PDT
"Superbad" star Jonah Hill is looking super thin these days.

The 27-year-old hit the ESPYs last night (left) having shed a good amount of  hair, scruff and weight from just over a year ago (right).

Hill credits the weight loss to working out and eating healthier -- insisting "it's important."