Tone Your Arms and Core With Cameron Diaz's Trainer in Just 10 Minutes!!

Trainer Teddy Bass helped Cameron Diaz chisel her toned guns, and with this 10-minute workout, he will help sculpt your arms and shoulders, too. This workout may focus on the upper body, but your core will get worked — bonus! Grab a set of dumbbells, press play, and get ready to bare your arms.