Katie Holmes smiles as she signs for her adoring fans

Heidi Klum and Seal arrive back in LA from Christmas Vacation

Mariah Carey and Nick Cannon out to dinner together in New York City

Marcia Cross gives husband Tom Mahoney a hug as she heads out of LAX Airport

Samantha Ronson shops at Irish Food and visits a bodyshop

Lukas Haas goes for a bike ride around West Hollywood

Princess Eugenie enjoys a night out at Boujis Nightclub

Joshua Jackson looks like he's in deep thought as he takes a stroll in the lower east side, NYC

Hugh Jackman in New York

See also... http://hipcelebrity.blogspot.com/2009/01/hugh-jackman-plays-mr-mom-as-he-juggles.html

Matthew Broderick Loves His Scooter