Olivia Wilde, Serena Williams
See All Photos Splash News; Pacific Coast News

It’s bikini season, and the stars are showing off their new swimwear in sunny spots around the world. Olivia Wilde took a break from her busy schedule to enjoy the Hawaiian sun with fiancé Jason Sudeikis, while Serena Williams headed to Miami for a bit of rest and relaxation after she won the French Open. Click through the gallery to see more photos of celebrities soaking up the early summer rays.

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