Prince William, Kate Middleton, Bar Rafaeli, Shaun White
Credit: Getty Images; Abaca

Celebrities love cheering on Olympic athletes, too! While we were busy enjoying the games from our couches, Bar Refaeli and Shaun White took in Michael Phelps's latest race from the stands with the Phelps family. And Prince William and Duchess Catherine returned to Olympic Park to cheer on Will's cousin, Zara, as she competed in her equestrian competition—and won silver! Click through for more celebrity sightings in London.