People.com Celebrity Star Tracks: Thursday, August 1, 2013 Cavallari perfects her pose at the Clear History premiere in Hollywood. Plus: Paul Rudd, Oprah Winfrey, Jennifer Hudson, James Van Der Beek and more By People Staff Updated on January 21, 2022 04:37 PM Share Tweet Pin Email 01 of 18 IN THE 'CLEAR' Valerie Macon/Getty A windswept Kristin Cavallari shows off her best side Wednesday during the Hollywood premiere of the HBO film Clear History at the ArcLight Cinemas in Hollywood. 02 of 18 ON A ROLL D. DaSilva/Rex USA Kate Bosworth manages to even make her bike look chic on Wednesday while posing for a photo shoot in New York City. 03 of 18 FEELING 'HI' Jeffrey Mayer/WireImage Jennifer Hudson shows off her lean legs while arriving for VH1's Do Something Awards, which honored celebs and young people making a difference in the world, at the Avalon Hollywood in L.A. on Wednesday. 04 of 18 KISSING BANDIT Javier Mateo/Startraks Mwah! Miranda Kerr shares an aww-dorable moment with son Flynn, 2½, during a walk around New York City on Wednesday. 05 of 18 HANG TIME Toby Zerna/Rex USA Pink tests the laws of gravity while performing at the Sydney Entertainment Centre in Australia Tuesday night. 06 of 18 DOUBLED UP Jacson/Splash News Online Always on the move, The Biggest Loser trainer Jillian Michaels spends a girls' day out shopping with daughter Lukensia, 3, in Malibu on Wednesday. 07 of 18 MAKE A SCENE FameFlynet Don't worry, he's okay! Mark Wahlberg gets his hands (and face!) dirty on Wednesday while filming his latest action flick in Detroit. 08 of 18 REALITY CHECK Richie Buxo/Splash News Online Back so soon? After visiting the Serengeti, Oprah Winfrey returns to the U.S. to appear on The Late Show with David Letterman in N.Y.C. on Wednesday. 09 of 18 MOVIE BUFFS Henry S. Dziekan III/WireImage Costars Emile Hirsch and Paul Rudd enjoy some guy time during a Cinema Society screening of their new flick Prince Avalanche Wednesday night at New York's Landmark Sunshine Cinema. 10 of 18 BOW DOWN Virginia Sherwood/NBC He's not worthy! Brad Paisley prepares to share the stage with America's Got Talent judge Howie Mandel Wednesday night during a live taping of the show in New York City. 11 of 18 MOVING ALONG National Photo Group Things are warming up! James Van Der Beek looks hot (literally!) in black while going to get a trim in Los Angeles on Wednesday. 12 of 18 SCREEN TEST Alberto E. Rodriguez/Getty Former Office star Jenna Fischer strikes a pose before a screening of the upcoming film The Spectacular Now in L.A. on Tuesday. 13 of 18 JUST BEING SMILEY National Photo Group A cheery Katherine Heigl takes her reading material to-go Wednesday while out in Los Angeles. 14 of 18 ROPED IN Splash News Online He's hanging in there! Kingston Rossdale, 7, does a little zip-lining with dad Gavin on Wednesday during a family visit to the Woburn Safari Park in Bedford, England. 15 of 18 WALK THE WALK AKM-GSI Busy, busy! Jennifer Aniston, costar Rhys Ifans and their furry friend keep it moving Wednesday while shooting scenes for new movie Squirrels to the Nuts in New York City. 16 of 18 NEED FOR SPEED Curtis Means/ACE/INF Meanwhile, Aniston's fiancé, Justin Theroux, makes his way around New York in sexy style Wednesday. 17 of 18 HAPPY TOGETHER FameFlynet Eva Longoria looks up to her new beau Ernesto Arguello while visiting the Mediterranean city of Marbella, Spain, with him on Wednesday. 18 of 18 PLAID TO SEE YOU FameFlynet James Marsden, next on screen as JFK in the upcoming movie The Butler, struts his stuff as he leaves his N.Y.C. hotel on Wednesday.