Jennifer Aniston was honored with the Decade of Hotness award at tonight's Spike TV Guys Choice Awards in LA. The actress lived up to her hot title, stepping onto the stage in a short black minidress. She was presented with the golden mantlers by her Horrible Bosses costars Jason Bateman, Charlie Day, and Jason Sudeikis, but it was her yoga teacher Mandy Ingber that she thanked for keeping her sexy bod in shape. Jen's been hanging out on the West Coast for the past few weeks and has been spotted enjoying the company of her rumored boyfriend and Wanderlust costar Justin Thereaux. Including Jen, tonight's event brought out tons of A-listers like Cameron Diaz, Justin Timberlake, and Scarlett Johansson, and also included a surprise appearance from Ben Affleck — stay tuned for more photos from us and be sure to tune in when the show airs on Spike TV June 10.