1 of 15
SHOP TO IT
Halle Berry browses the wares at a West Hollywood CB2 store on Sunday alongside an adorable personal shopper – daughter Nahla, 2.
2 of 15
3 of 15
LOUD & PROUD
Can you feel the beat? Rihanna dons a wild getup while filming a music video for her new album Loud (out Nov. 16) on the streets of N.Y.C. on Sunday.
4 of 15
LITTLE BOW CHIC
Nicole Richie shows off her whimsical side in an ornate Marchesa gown – check out that bedazzled bow! – at the presentation of "The Unmasking" exhibit at the Los Angeles County Museum of Art on Saturday.
5 of 15
After giving a Stateside, Taylor Swift makes a stylish arrival at Roberto Cavalli's spring/summer 2011 runway show during Milan Fashion Week on Monday.
6 of 15
7 of 15
WHAT'S IN STORE
She's a smart shopper! A glam Jessica Simpson greets excited fans – and promotes her clothing collection – at a Dillard's department store in Friendswood, Texas, on Saturday.
8 of 15
He's networking! Justin Timberlake (in Dolce amp Gabbana) enjoys the spotlight with actor Armie Hammer, who costars with the singer in The Social Network, at the film's premiere in New York City.
9 of 15
Jennifer Garner totes a cup of java and adorable daughter Seraphina, 20 months, Friday, while out and about in Santa Monica, Calif.
10 of 15
Versace fan and Mad Men star January Jones attends the label's spring 2011 fashion show in a red hot geometric mini with all-over fringe Friday in Milan, Italy.
11 of 15
Shia LaBeouf takes a breather – stepping away from the action Thursday while filming Transformers 3 in Detroit.
12 of 15
Like mother, like daughter! Katherine Heigl and 22-month-old Naleigh, wear coordinating cable-knit sweaters before their flight at Los Angeles International Airport Friday.
13 of 15
Former Gossip Girl costars – Penn Badgley and Sebastian Stan – shield their eyes in special edition Persol shades at a N.Y.C. Sunglass Hut event.
14 of 15
WHAT A CATCH!
Looks like Snoopy hit a home run! Molly Sims and Selita Ebanks cozy up to everyone's favorite beagle during Starter Day at Yankee Stadium Thursday in Bronx, N.Y.
15 of 15
'VAMP' IT UP
Guess they're not afraid of daylight! Krysten Ritter and Alicia Silverstone dial up the style on the New York set of Vamps, their vampire-themed romantic comedy, on Thursday.
Star Tracks: Bethenny Frankel Is a Beach Babe, Plus Britney Spears, Justin Bieber & More
Conan O’Brien Says Hamilton 'Helped' Explain the Presidential Election Results to His 'Upset' Kids
Inside Kim Kardashian & Kanye West's Complicated Living Arrangements During Their Marriage