Brad Pitt and Angelina Jolie in NYC with Shiloh

Nicole Richie leaving a restaurant in LA

Jessica Biel at LAX

Demi Moore and Ashton Kutcher at a NY Giants game

Jenna Elfman and son Story in NYC

Zach Braff and Shiri Appleby in West Hollywood

Cameron Diaz heading to an SNL afterparty

Rachel Bilson on set in LA

Hilary Duff and her boyfriend in NYC

Jessica Alba in Santa Monica

Sarah Jessica Parker on the set of Sex and the City

Katherine Heigl in Hollywood

Bridget Moynahan and son at the Bel Air Bay Club

Sarah Michelle Gellar, Ashley Port and Lauren Conrad at the Us Hot Hollywood party

Audrina Patridge, Emmy Rossum and Jamie Lynn Spears at the Us party

Jessica Alba in LA

Kristin Davis and Sarah Jessica Parker on the set of the Sex and the City movie

Jennifer Garner in NYC

Mary Louise Parker, Jessica Biel and Angelina Jolie at the Clinton Global Initiative

Kate Hudson in NYC

Natalie Portman at a screening of Hotel Chevalier

Lindsay Lohan in Utah

Jake Gyllenhaal leaving a restaurant

Courteney Cox and her daughter Coco in LA

Kate Hudson on the set of Bachelor No. 2

Jessica Alba and Cash Warren shopping in Malibu

Christina Aguilera in LA

Kirsten Dunst in Hollywood

Ashlee and Jessica Simpson leaving a restaurant in Santa Monica

Kate Bosworth in LA

Nicole Richie in Hawaii

Jennifer Aniston on the set of He’s Just Not That Into You

Lindsay Lohan in Utah

Jennifer Lopez arriving at BBC studios in London

Hilary Duff heading to a hair salon

Jessica Simpson on the set of Major Movie Star

Jennifer Love Hewitt out grocery shopping

Katherine Heigl at Fred Segal in Hollywood

Hilary Duff, Emmy Rossum and Hayden Panetierre at the Teen Vogue Young Hollywood party

Jennifer Aniston on the set of He’s Just Not That Into You

Natalie Portman and her boyfriend in NYC

Sarah Michelle Gellar, Jennifer Morrison and Rachel Bilson at the Chanel & P.S. Arts party

Kristin Davis on the set of the Sex & the City movie

Jessica Simpson on the set of Major Movie Star

Milla Jovovich, Ali Larter and Amy Smart at the Resident Evil premiere

Katherine Heigl in Hollywood

Brad Pitt and Angelina Jolie at the NYC premiere of The Assassination of Jesse James

Natalie Portman in NYC

Kate Bosworth at a screening of Across the Universe

Jessica Alba leaving TRL

Keri Russell out with son River in LA

Jake Gyllenhaal in SoHo

Audrina Patridge, Lauren Conrad and Ashley Port at the Broadway premiere of Legally Blonde

Katherine Heigl outside the Ivy in Hollywood

Lindsay Lohan and her mom in Utah

Nicole Richie and Joel Madden in LA

Kate Winslet with son Joe and daughter Mia in the West Village

Christina Aguilera leaving a restaurant in LA

Hilary Duff out shopping in LA

Reese Witherspoon at a Santa Monica Starbucks

Brad Pitt and Angelina Jolie picking up son Maddox from school in NYC

Ashlee Simpson and Pete Wentz at Jet in Vegas

Kate Bosworth in SoHo