Star Tracks: Wednesday, January 26, 2011

Talk about man's best friend! Hugh Jackman totes his adorable French bulldog Peaches for a stroll through New York's West Village neighborhood on Tuesday.

Follow the leader! Kendra Wilkinson chases after 1-year-old son Hank during a day at the park Tuesday in L.A.

Ooh la la! While in town for Paris Haute Couture Week, Jessica Alba makes a sparkling turn in a one-shoulder sheath at a Gucci cocktail party hosted by French Vogue on Tuesday.

Matt Damon digs into his toast and orange juice Tuesday while shooting scenes for his latest movie, We Bought a Zoo, in L.A.

Check out the gun show! Matthew McConaughey flaunts his fit physique while working out at a Santa Monica beach Tuesday in California.

Expectant mom Selma Blair grabs a cup to go Tuesday while out and about in Hollywood. The actress is expecting her first child with fashion designer boyfriend, Jason Bleick.

Supermodel mom Heidi Klum flaunts her mile-long legs at the InStyle Best of British Talent Party Tuesday in London.

Sarah Jessica Parker hits the New York set of I Don't Know How She Does It with another leading man, Kelsey Grammer, while the comedy continues filming Tuesday.

Demi Moore cozies up to hubby Ashton Kutcher at the Sundance Film Festival premiere of Margin Call Tuesday in Park City, Utah. The No Strings Attached star surprised his wife by arriving at the festival a day earlier than expected.

After younger sister Elizabeth's big Sundance debut, the fashionable Mary-Kate Olsen looks boho chic while stopping by the George Condo art exhibit "Mental States" at New York's New Museum on Tuesday.

A bundled-up Blake Lively stays dry under a colorful umbrella while filming Gossip Girl on a snowy Tuesday in New York.

Reese Witherspoon continues her globetrotting on Tuesday, turning up in Atlanta for Avon's 125th anniversary celebration during the company's "Global Believe Tour." Last week, the actress was spotted shopping – for a wedding gown, perhaps? – at a few chic spots in Paris.

Even Oscar nominees have to walk their dogs! Best actress front-runner Natalie Portman and fiancé Benjamin Millepied bundle up on Monday while leading Yorkie Whiz through chilly New York City.

Is she in town for Fashion Week? Cameron Diaz – who was just in London with beau Alex Rodriguez – swings by a Chanel boutique Tuesday in Paris.

Multiple Grammy-nominee Eminem (he's up for 10 awards this year!) keeps the peace Tuesday as he arrives on the downtown L.A. set of his new music video.

Despite the chilly weather, Bethenny Frankel shows off her toned stems Tuesday morning during a visit to the Good Day New York studios. The reality star's newest show, Bethenny Ever After, premieres Feb. 28 on Bravo.

A newly single Keira Knightley walks tall on Monday after wrapping a performance of her new play, The Children's Hour, at the Comedy Theatre in London.