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Who are those masked beachgoers? As the death toll from swine flu mounts, newlyweds Heidi Montag and Spencer Pratt practice safety first, sporting protective masks for a trip to the beach while on a "pre-honeymoon" in Cabo San Lucas, Mexico, on Tuesday.
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After a casual day out the day before, Mary-Kate Olsen perks up in purple to fete designer pal Matthew Williamson's new collection for HampM during a starry party Tuesday on a yacht docked outside New York's South Street Seaport.
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Vanessa Hudgens and pal Ashley Tisdale take a coy look back at the LG Rumorous event in West Hollywood on Tuesday,. The High School Musical costars mingled with actress Brittany Snow (not pictured) and even danced a bit when the '60s tune "Crimson and Clover" started playing at the party.
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'X' MARKS THE SPOT
Former X-Men costars Hugh Jackman and Halle Berry (one of PEOPLE's Most Beautiful this year) have a happy reunion Tuesday at the L.A. screening of X-Men Origins: Wolverine. Jackman's action flick hits theaters on May 1.
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LADIES WHO LUNCH
Nicole Richie steps out for one of her favorite pastimes – hanging with 14-month-old daughter Harlow! – on Tuesday. The expectant mom and her curly cutie had a lunch date at West Hollywood's Café Med.
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Even her pets are pampered! Paris Hilton shows off a luxury dog bed for her pooches after shopping with sister Nicky (not pictured) at Kitson in West Hollywood on Tuesday.
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ALL PUMPED UP
She may be walking in New York City, but Kate Hudson – who was PEOPLE's Most Beautiful cover girl last year – maintains her sunny California-girl vibe as she reportedly heads to the gym in her workout gear on Tuesday.
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After visiting a beer garden in Berlin with his mom, Starla, Zac Efron continues his travels on Tuesday, stopping in Madrid, Spain for a photocall to promote his comedy, 17 Again.
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LADY IN RED
Jennifer Aniston is red-hot on the set of her new movie, The Baster, which continues to shoot Tuesday in New York City. The comedy costars Jason Bateman and Jeff Goldblum.
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Life is beachy keen for Usher and his adorable look-alike son Usher Raymond V, 17 months, during their sandy stroll Tuesday in Miami Beach, where the duo reportedly posed for photos with fans along their way.
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SEEING A PATTERN
America Ferrera makes yet another colorful splash while shooting Ugly Betty on Tuesday in New York City.
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Who's got the best high kick? Talk show host Tyra Banks has a leg up on reality star Kim Kardashian, as the pair show off a few exercise moves during a taping of The Tyra Banks Show, which is set to air on April 29.
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No pants, no problem! A bikini-sporting Lindsay Lohan doesn't worry about a dress code Monday while leaving a Malibu store. The actress recently spoke to Ellen DeGeneres about her split with girlfriend Samantha Ronson, saying it "came out of nowhere."
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