Michelle Trachtenberg stars in NBC’s newest medical drama, Mercy.

Cameron Diaz in Boston on the set of “Wichita” is lovely in her yellow dress and floral umbrella.

Dita Von Teese and two models pose for photos to launch her new winter Wonderbra Ultimo collection.

Kourtney Kardashian looks beary cute while out shopping for baby items at Kitson for Kids in LA.

I’m the king of the world! Seth Rogan films a scene for his new movie “The Green Hornet” at the Standard Hotel in Beverly Hills.

Jessica Biel and her four legged friend took a walk around their Beverly Hills neighborhood.

The always fab Rihanna, out in NYC showing off her newly highlighted hair.

Eminem looks a bit gloomy, wearing all gray as he is seen leaving his New York hotel.

Eva Longoria shows her love for her fans as she stops to greet them on her way out of Gerard Darel boutique in Paris.

Shanna Moakler, in an interesting outfit, gives a surprised smile as she leave a skincare appointment in Beverly Hills.

That poor little pup! Although we all know what animal lovers Ozzy and Sharon are, the poor little dog must have been terrified by look on Ozzy’s face.

Freida Pinto and her “Slumdog Millionaire” co-star and real life boyfriend, Dev Patel at the afterparty for Burberry’s Spring and Summer fashion show at the Horseferry House in London.

Jerry O’Connell out taking a jog in his Calabasas neighborhood with dog.

Courtney Cox poses with a fan when she arrives for a taping of the Jimmy Kimmell Show.

A fresh faced Hayden Panettiere heads back to her car after visiting a medical building in Beverly Hills.

Helena Christensen breaks a good sweat during a run along the Hudson River Parkway in NYC.

The Mentalist’s hunk, Simon Baker, gives an awkward smile as he arrives to the “Early Show” at the General Motors Building.

Jonathan Rhys Meyers dressed in partial Henry VIII attire filming ‘The Tudors’ in Dublin, Ireland.

Lil’ Kim puckers up and reapplies her lip gloss while on Miami Beach with friends.

Tara Reid and her boyfriend Michael Axtmann celebrate Oktoberfest at Hippodrom at the Theresienwiese in Munich, Germany.

A smiling Mark Wahlberg takes a break on the set of “the Other Guys’ in Manhattan.

Miley Cyrus turns it up while performing on the “Wonder World” tour in Los Angeles on Tuesday night.

Ashlee Simpson-Wentz gets a little wild on the set of “Melrose Place” in a leopard print jumper.

We’re seeing double on the set of “Wichita”, as Tom Cruise and his stunt double get spotted together.

Cameron Diaz shows a little punk princess flair on the set of “Wichita”.

Although it’s Fall, Britney Spears looks like the picture of Summer in shopping in a strapless dress.

Simon Baker makes a funny face while walking in New York City. Hopefully his shoes aren’t pinching!

Will Ferrell cracks up these cops on the set of “The Other Guys’ in New York.

Eve represents the ladies at the 2009 VH1 Hip Hop Honors in Brooklyn.

Post-punk, pre-flight! Rihanna gets spotted at JFK International Airport.