North Dakota-born actor Kellan Lutz is best known for his role as Emmett Cullen in the popular Twilight movies. But he also has a strong background in both men's fitness and modeling; having served as an Abercrombie & Fitch model.
Most recently, he showed off his muscular good looks on the cover of Men's Health magazine. In this issue, he shares his tips for maintaining rock-hard abs and perfect muscle tone. His talents are certainly an inspiration to fitness fanatics. I've assembled a few samples of his various looks here.