Star Tracks: Thursday, September 30, 2010

01 of 15

OH SO CHIC

OH SO CHIC
INF

Also at the Cavalli bash: a leopard print-clad Rachel Bilson and Taylor Swift, who make a happy duo while enjoying the fashion fete during Paris Fashion Week.

02 of 15

DO THE WAVE

DO THE WAVE
Flynet

Brad Pitt salutes his fans while filming Moneyball in Westwood, Calif., on Wednesday.

03 of 15

HIP-HOP IN DA HOUSE

HIP-HOP IN DA HOUSE
Albert Michael/Startraks

Justin Timberlake returns to his musical roots Wednesday, performing a medley of rap hits with Late Night host Jimmy Fallon in New York. The singer-actor is currently promoting his new film The Social Network, in theaters Friday.

04 of 15

MAN IN BLACK

MAN IN BLACK
Eric Ryan/Getty

Who's Janet's mystery man? Jackson cuddles up to Qatari businessman Wissam Al Mana at Roberto Cavalli's 40th anniversary party at Les Beaux-Arts de Paris in France on Wednesday.

05 of 15

FASHION CLIQUE

FASHION CLIQUE
Neil Rasmus/BFA/Sipa

Well-coordinated twosome Mary-Kate and Ashley Olsen share hosting duties Wednesday at a cocktail party toasting their line Elizabeth and James at New York's Saks Fifth Avenue.

06 of 15

SHOW OF HANDS

SHOW OF HANDS
Pascal Le Segretain/Getty

You've gotta hand it to him! Orlando Bloom leads the way for expectant wife Miranda Kerr as they make their way out of the Balenciaga spring/summer 2011 show during Paris Fashion Week on Thursday.

07 of 15

ALL THAT GLITTERS

ALL THAT GLITTERS
Ramey

Talk about a sparkling night! Selena Gomez attends the launch party for jewelry line Promise by Cheryl Cole and de Grisogono at Nobu London Wednesday.

08 of 15

SEEING RED

SEEING RED

After shooting her new music video in New York, Rihanna heads across the pond, touring London in a floor-length ensemble Thursday.

09 of 15

WORKING GIRL

WORKING GIRL
Jackson Lee / Splash News Online

Business calls! Nicole Richie makes a pit stop Wednesday at her publishing house in New York before continuing on the promotional tour of her new riches-to-rags novel, Priceless.

10 of 15

CZECH HIM OUT

CZECH HIM OUT
Fame

A mustachioed Tom Cruise goes undercover Wednesday as shooting for Mission: Impossible: IV begins in Prague.

11 of 15

SHADES OF GLORY

SHADES OF GLORY
Doug Meszler/Splash News Online

Just days after quickstepping with a cold, Audrina Patridge looks to be in better spirits Wednesday, posing with Dancing partner Tony Dovolani outside their N.Y.C. hotel.

12 of 15

GOOD JEANS

GOOD JEANS
Splash News Online

After promoting her denim line in Texas, Jessica Simpson is back in the Big Apple Wednesday, venturing out of The Ritz-Carlton New York.

13 of 15

GUN SHOW

GUN SHOW
Splash News Online

Ryan Gosling keeps it casual during a break in filming his new movie, Drive, in L.A. Wednesday.

14 of 15

SERIOUS BUSINESS

SERIOUS BUSINESS
Splash News Online

Meanwhile, Gosling's costar, Carey Mulligan, takes her tunes to go after finishing work on the action thriller's L.A. set.

15 of 15

ON THE GO

ON THE GO
GSI Media

Proving how she got her ab-tastic figure, LeAnn Rimes heads to the gym Wednesday in L.A.

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