Whoa someone's clearly been drinking their Muscle Milk lately. For his new movie Prince of Persia: The Sands of Time (based on the popular video game series), actor Jake Gyllenhaal has really bulked up for his lead role as the long-haired and often shirtless Prince Dastan. Even Reese Witherspoon couldn't stand to be far from her beau's new body, considering she traveled all the way to Morocco to see him!