Rachel McAdams had a late night yesterday on the Paris set of Woody Allen's Midnight in Paris with costar Owen Wilson. Owen has been hard at work on the movie for the last few weeks, shooting with costars Marion Cotillard and even the French first lady, Carla Bruni-Sarkozy. Rachel's in Europe after a few months spent at home in Canada, where she caught up with old friends and took care of some business. She'll log even more time traveling in the coming months as she gears up for the November release of her Morning Glory. Her director Woody, meanwhile, has another project on the way — his You Will Meet a Tall Dark Stranger, featuring Josh Brolin, Naomi Watts, and Freida Pinto, arrives in theaters this September.

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Halle Berry got to work in a bikini top on the set of Dark Tide in South Africa Friday.

Paris Hilton was back in her little pink swimsuit yesterday to continue working on a music video on Ibiza. She took time to appreciate the beautiful weather, but soon Paris wrapped up her time in front of the camera and headed back to her villa for a quiet night in watching Sex and the City. It was a rare evening of downtime for Paris, who has been partying up a storm during her latest vacation — she's been showered in champagne in addition to hitting the clubs. She's been regularly hanging out with a random billionaire named Jho Low, and their closeness had some people wondering if Paris was his paid companion. Her rep, though, denied the rumors and said there is no business arrangement.

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Adam Sandler took a dip in Mallorca, Spain, on Thursday.

Halle Berry headed out into the bay off the coast of Seal Island, South Africa, today to continue shooting Dark Tide. She wore a string bikini underneath her wetsuit as sharks swam close to her boat, though the actress was surrounded by trained professionals to make sure she stayed safe. Halle started work on the movie earlier this week and was spotted getting her sea legs yesterday with costar Olivier Martinez. She has been prepping for this project for months, which included showing off her perfectly toned two-piece body during long walks on the beach — the hot mom made it far in our swimsuit bracket, but now it's down to Aniston vs Decker. Halle's ready to take on the intense scenes, but at the end of the day she's lucky enough to have Nahla and Gabriel close to keep her company.

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Jennifer Aniston announces an earthquake while sharing a sexy photo on The Tonight Show, Michael C. Hall tells us he's interested in playing the Riddler in Batman 3 movie, and Jennifer Lopez may take Ellen DeGeneres's place on the American Idol judging panel. Plus, our reviews of Dinner for Schmucks and Charlie St. Cloud. Watch today's all new PopSugar Rush!

Ashley Olsen ran errands in NYC on Thursday.