LONDON, SEPT. 21 Leonardo DiCaprio looks runway ready at Giorgio Armani's One Night Only fashion-week event, where the designer launched his Emporio Armani RED collection, which will be sold to benefit the fight against AIDS in Africa.
MALIBU, SEPT. 23 A scene from Cast Away 2: Stuck in Southern California? Nope, that's just Matthew McConaughey donning his usual weekend wear for a beach-side game of Frisbee.
MIAMI, SEPT. 22 Coochie-coochie-cute! Matt Damon and his wife, Luciana, show off their 3-month-old daughter Isabella during a family outing.
LONDON, SEPT. 20 While mom Gwen Stefani chooses to go incognito, her 4-month-old son Kingston would rather play peekaboo with passersby.
BRENTWOOD, CALIF., SEPT. 21 With neither of her two kids in sight, Reese Witherspoon enjoys her very own ice-cream cone.
HOLLYWOOD, SEPT. 19 "I had butterflies. I thought I was going to throw up ... I was so nervous!" says Jessica Simpson (in Oscar de la Renta) at the premiere of Employee of the Month.
MANHATTAN, SEPT. 25 Oprah Winfrey leaves the GE Building after debuting her new XM Satellite Radio channel Oprah & Friends. "I have no expectations," Winfrey tells PEOPLE. "I put it out there and then see what happens."
VENICE, SEPT. 23 Paris Hilton and Kim Kardashian travel the city's waterways in style.
NEW YORK CITY, SEPT. 24 Desperate Housewives' Marcia Cross takes a pregnant pause after a trip to the Whitney Museum of American Art. The actress is expecting her first child in April.
NEW YORK CITY, SEPT. 21 Sarah Jessica Parker and Drew Barrymore walk off the calories after sharing lunch at Italian eatery Sant Ambroeus.
BROOKLYN, SEPT. 20 David Spade fires up his feminine side on the set of the Adam Sandler comedy I Now Pronounce You Chuck and Larry.
LONDON, SEPT. 20 "[Babies] usually cry when I pick them up!" says Prince William, who gave one newborn a royal welcome at the opening of the Winnicott Baby Unit of St. Mary's Hospital.
PACIFIC PALISADES, CALIF., SEPT. 23 New couple Hilary Swank and agent John Campisi share a fondness for each other—and similar accessories, from baseball caps and messenger bags to shades and sneakers.
ANAHEIM, CALIF., SEPT. 23 Teri Hatcher isn't the only photo-op pro in the family—at Disneyland, her daughter Emerson managed to wave and smile while clinging for dear life and screaming.