POPSUGAR Fitness Guess Who French Open Celebrity Sightings Guess Who? by Fitness 6/07/10 4 Shares Like us on Facebook Sign up for our daily newsletter > Follow us on Pinterest Can you guess which celeb couple got sporty this weekend and took in the French Open? You only need to guess one-half of the pair. Image Source: WireImage Read More French OpenSerena WilliamsVenus WilliamsGuess Who Serena Williams Serena Williams Pens a Heartfelt Note on Instagram Following Her Dog Jackie's Death Glamour's Women of the Year Awards Prove This Is the Year of the Badass Athlete There's So Much Inspiring Girl Power at Glamour's Annual Event Serena Williams Chased Down a Phone Thief, Is an Actual Superhero Venus Williams Rafael Nadal, Serena Williams, and More Sports Stars Hit the Beach Serena Williams Wins the US Open With 3D Nail Art Intact The Williams Sisters: Serving Up Fashion One Match at a Time Venus Williams Has Fashion Week's Easiest Look POPSUGAR, the #1 independent media and technology company for women. Where more than 75 million women go for original, inspirational content that feeds their passions and interests. Get Results With Our Fitness Newsletter Personalize Working Out Weight Loss Yoga Running Sign up with facebook or By signing up, I agree to the Terms and to receive emails from POPSUGAR.