Star Tracks - Tuesday, September 18, 2007

Emmy winner Katherine Heigl lets a paparazzo get his best shot while celebrating her victory with a lunch Monday at the Ivy in West Hollywood.

Scarlett Johansson holds tight to Ryan Reynolds as the pair touch down Monday at

Los Angeles International Airport. The actors have been in

Vancouver – Reynolds's hometown – where they were spotted sharing

a romantic meal together.

Will Smith pals around with the newest Hollywood Walk of Fame inductee – Jamie Foxx

– at the premiere of Foxx's movie The Kingdom Monday

at Mann's Village Theater in Los Angeles.

Also at The Kingdom premiere, costar Jennifer Garner (in Valentino) treats her

fans to an impromptu autograph session on her way into the theater.

Was her look a hit or a miss? Vote here!

While filming continues on the movie What Happens in Vegas ..., Cameron Diaz goes in for a pinch while an unsuspecting Ashton Kutcher entertains a young admirer Monday on their New York set.

After a press tour of Australia, Zac Efron gets back into his casual routine Monday with a stop at natural juice joint Robeks in Los Angeles.

A stunning Catherine Zeta-Jones makes a fierce entrance in her Roberto Cavalli gown Tuesday at the Tokyo premiere of No Reservations.

Mariska Hargitay and son August, 14 months, make a coordinated greeting

squad on Saturday at Los Angeles International Airport. The Law amp

Order: Special Victims Unit actress was in town to attend the Emmy Awards

where she was nominated for outstanding lead actress in a drama.

After stumbling and almost losing a shoe, Paris Hilton gets a hand from some pals and laughs off the incident Sunday night in Los Angeles.

Could it be Kate Moss? Sienna Miller? Nope. This stylish blonde with the fringe top is none other than Ashley Olsen, out for a java jaunt Saturday in West Hollywood.

Owen Wilson – who's been on the mend since a suicide attempt – enjoys a dip in Venice Beach this past week and spends time with older brother Andrew (not pictured).

Spencer Pratt holds tight to fiancée Heidi Montag as the two take

a romantic gondola ride Sunday – at Las Vegas's Venetian Hotel, in celebration of

The Hills star's 21st birthday.

Singer Mandy Moore gets a helping hand Sunday while maneuvering her way

through the streets of lower Manhattan.

R amp B songstress Ashanti signs autographs before leaving the ABC studios Monday in New York City, where she made an appearance on Live with Regis and Kelly to promote her new movie, Resident Evil: Extinction.

After spending Friday strolling hand-in-hand with designer Nathan Bogle, Natalie

Portman closes out her weekend with a little shopping Sunday in the West

Village.

More on Natalie
See the latest photos, news and a full bio