Angelinos in the exercise community are well aware of Rise Nation, a high-intensity, low-impact 30 minute workout that will leave you covered in sweat and far less bored than a full hour of spin class. And who better to visit the studio than Ashley Greene, who is either genetically gifted or a work-out fanatic (or perhaps a bit of both). Greene hosted a Muscle Milk sponsored re-launch event at the West Hollywood location, and the invite only group fitness class was lead by founder and celebrity trainer Jason Walsh. Enjoy some pictures from the event below.