Bring a large pot of water to boil. Cook angel hair pasta according to package directions. Reserve 1/4 cup pasta water. Drain pasta.

Heat olive oil in a skillet over medium heat. Add in shrimp, cook until they start to turn pink. Add in garlic, lemon juice and lemon zest. Add in baby arugula, cook just until wilted and shrimp has cooked through. Add in pasta and toss to coat. If pasta seems dry add reserved pasta water. Season to taste with salt and pepper. Serve.