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Tiger Woods and his girlfriend, Lindsey Vonn, kicked off the week with a relaxing afternoon on the water in Palm Beach. On Tuesday, the duo went boating on Tiger's yacht, Solitude, with his kids, Charlie and Sam. Tiger lounged shirtless while he fished off the side of the vessel, and Lindsey was spotted snapping pictures from the dock in her bikini. The couple are back to Tiger's home base in Florida after traveling to NYC to attend the Met Gala earlier this month. Tiger will be on the go again soon, though, since he's set to host his annual Tiger Jam charity poker tournament in Las Vegas this Friday and Saturday.

Tiger and Lindsey have been going strong since revealing their relationship in March and have showed mutual support for each other publicly. Lindsey's had Tiger by her side as she recovers from the knee injury she sustained during the skiing world championships in Austria in February, and she cheered him on during the Masters last month.

Summer is right around the bend, which (among many things) means it's time to pack away your thick, chunky sweaters in lieu of light, airier pieces. But before you flip your closet, feast your eyes on the stars who have already started showing off their warm-weather style. There was Olivia Wilde, who was effortless in breezy orange pants, and Zoe Saldana, who looked sweet in a dusty rose Dolce & Gabbana top. On a more casual note, Julianne Hough made a serious case for the little denim dress. For even more inspiration, head inside to see all the celebrities showing off their spotlight-worthy style.

Andrew Garfield and Emma Stone were arm in arm for a morning stroll in NYC yesterday. While they've both been working on The Amazing Spider-Man 2, Andrew and Emma have managed to get away from the set as well. Earlier this month, Emma cohosted the annual EIF Revlon Run/Walk with Olivia Wilde, and Andrew came out to show his support for his girlfriend and the cause.

Andrew, however, has had the company of someone other than Emma during his latest Spider-Man takes. Over the past few days, Paul Giamatti has hit the set as one of the series' most famous villains, The Rhino. The two actors shot several scenes, which had Andrew hanging from the side of a semitruck and Paul stretching before an intense street fight. Paul is part of the movie's impressive cast list, which includes Jamie Foxx, Shailene Woodley, and Martin Sheen.

The Cannes Film Festival opens tomorrow, but celebrities are already making their glamorous French Riviera entrances. Nicole Kidman shimmered onto the scene today, and Steven Spielberg greeted the crowd before heading into a photocall for the festival's jury panel. Cannes first-timer Emma Watson touched down at Nice airport earlier in the day, as did Leonardo DiCaprio.

The festival will start off with a 3D showing of Baz Luhrmann's The Great Gatsby tomorrow and will showcase other highly anticipated films like Ryan Gosling's Only God Forgives and Steven Soderbergh's Behind the Candelabra, starring Michael Douglas and Matt Damon. The international movie madness will run for 12 days and finish on May 26 with awards hand-selected by this year's jury. We'll be on the scene in France, so make sure to check back for updates straight from the festival!

Ashton Kutcher and Mila Kunis held hands and covered up in hooded sweatshirts during a rainy outing in Hampstead, North London, today. The couple grabbed lunch at an Italian restaurant before stopping for dessert at a crepe stand and devouring their sweets during the walk home.

Ashton has joined Mila across the pond while she films Jupiter Ascending with Channing Tatum, who also has the company of his pregnant wife, Jenna Dewan, in the UK. Mila and Ashton have welcomed the London scene and cuisine rather quickly and had a double date with Princess Beatrice and her boyfriend, Dave Clark, on Saturday. The foursome reportedly indulged in deep-fried bananas and tequila shots at two different locations, including London hot spot Duck & Waffle.

We're celebrating Mother's Day with a look at some of the most adorable celebrity moms and their cute kids. Moms like Angelina Jolie love to show their affection whenever they can, while Jessica Alba and Britney Spears both take pleasure in getting outdoors with their little ones, whether at the ball game or at an amusement park. Meanwhile, Jessica Simpson dotes on her daughter Maxwell Johnson. In honor of the holiday, we've rounded up some of the sweetest moments between stars and their kids. Click through to see them all.

This week a handful of movie and television sets were busy with shoots. While Zac Efron showed off more than just his basketball skills for Townies in LA, Cameron Diaz and Leslie Mann put in plenty of hours and acted out a fight on their Big Apple set. Also in NYC, Megan Fox was up in the air for Teenage Mutant Ninja Turtles alongside Will Arnett, and Vince Vaughn revved up a motorcycle engine in Atlanta for Anchorman 2. Click through to see how other celebrities spent their workweek on sets across the world!

With Summer just around the corner, we've got little white dresses on the brain. And who better to turn to for inspiration than some of the most fashionable famous faces? We're talking about Jessica Chastain, Isla Fisher, Dianna Agron, Eva Longoria, and Kerry Washington, and the list goes on. The best part of breaking out the LWD is that it's just so easy to style . . . with just about everything. From a classic white pump to a metallic sandal to a fun pop of color via a crossbody bag, it's all fair game. Click through to see how 45 celebrities styled their LWDs, then put your own spin on it.

If only Jay Gatsby had Leonardo DiCaprio's luck. Leo's latest character may not have the best time at getting the girl but the actor himself has had more than his fair share of girlfriends, admirers, and female friends. To celebrate The Great Gatsby's release today, we're taking a look back at all of Leo's lovely lady friends — from ex-girlfriends Gisele Bündchen and Blake Lively to best friend Kate Winslet. Click through for more Leo love and be sure to check out our review of the The Great Gatsby before you head to the theater this weekend!

Tom Cruise's latest leading lady, Ukrainian actress Olga Kurylenko, lights up the big screen in Oblivion. But the former Bond girl's high-fashion choices have also been drawing major attention on red carpets worldwide. At the most recent Oblivion premiere in Japan, Kurylenko stepped out in a gorgeous striped Dior ball gown, but she's treated us to a variety of glamorous looks on every stop of her promo tour. For the Hollywood premiere, she took the plunge in a sexier Burberry number; in Taiwan, she gave us high fashion in a Balmain minidress with gold Jimmy Choo sandals — for more from Oblivion's leading lady, just keep clicking.