Over the weekend, Zoo York and Stoker Mentoring gathered 30 Brooklyn teenagers to help clean up Fort Greene Park, and the star of the event was probably supposed to be 18-year old skateboarding phenom Chaz Ortiz, but then super model and 2011 With Leather Celebrity Sports Fan of the Year Kate Upton showed up, and approximately all of the teenage boys suddenly had to stop picking up trash and sit down for 5-10 minutes.