POPSUGAR Fitness Guess Who Guess Who? by Fitness 7/26/09 0 Shares Like us on Facebook Can you guess who is working out on the treadmill? Source: Bauer-Griffin Online Read More CelebrityGuess Who Celebrity Kourtney, Tori, and Ivanka Shared Some Cute Kiddo Snaps This Week! Gwyneth, Neil, and Rachel Shared Adorable Snaps of Their Kiddos This Week! You Have to See How Stunning Diane Kruger's Skin Is Without Makeup Will Smith and Jimmy Fallon Perform a Beatbox Throwback to "It Takes Two" Get fit with our daily newsletter Yoga Working Out Weight Loss Running Sign up with By signing up, I agree to the Terms and to receive emails from POPSUGAR.