Celebrity Star Tracks: Thursday, April 15, 2010 By People Staff Published on April 15, 2010 04:00 PM Share Tweet Pin Email Trending Videos 01 of 15 MOM FEST Flynet It's a day out for the mommies! Camila Alves totes 3-month-old daughter Vida while her mom, Fétima Alves, brings up the rear with 1-½-year-old son Levi and Matthew's mom, Mary McConaughey in Venice, Calif., Wednesday. 02 of 15 BOTTLE BLONDE Andy Johnstone/Splash News Online Kate Gosselin takes a water break after an interview on The Joy Behar Show Wednesday in Los Angeles, where the Dancing with the Stars mom promoted her new book, I Just Want You to Know. 03 of 15 ANIMAL INSTINCTS Gustavo Caballero/Getty Jennifer Lopez steps out in spotted Monique Lhuillier for a screening of her latest film, The Back-up Plan, in Miami Wednesday. The romantic comedy hits theaters April 23. 04 of 15 HAIRY SITUATION INF He may not be welcoming another Jolie-Pitt, but Brad Pitt has another project he's working on – continuing to grow that beard! The scruffy actor takes in the sights Wednesday in Italy, where Angelina's shooting The Tourist. 05 of 15 'JUST' FRIENDS Fame Pictures Jennifer Aniston and costar Adam Sandler look like old chums Wednesday on the L.A. set of Just Go With It, a comedy where Aniston poses as Sandler's wife so he can land his dream girl. 06 of 15 BIKER BOY Valerie Macon/Getty Date Night star Mark Wahlberg is ready to ride Wednesday at the Hollywood Grand Prix Celebrity Kickoff Event in Costa Mesa, Calif. 07 of 15 READY, SET, WORK! Flynet A suited-up Jon Hamm makes a dapper return to the '60s and his sexy alter-ego Don Draper on the L.A. set of Mad Men Wednesday. 08 of 15 GOING GREEN Andrew H. Walker/Getty Skipping out on Ugly Betty's series finale Wednesday night, Vanessa Williams attends the grand opening of Otarian restaurant with Mary-Kate Olsen in New York. 09 of 15 GOOD JEANS Ramey Like mother, like daughter! A very casual-chic Halle Berry takes Nahla, 2, along with her on an errand run Tuesday in L.A. 10 of 15 JERSEY BOY Splash News Online Is he gearing up for the World Cup? Matthew McConaughey shows his support for Brazil – girlfriend Camila Alves's native country – while heading to his office in Venice, Calif., on Wednesday. 11 of 15 LOVELY LADIES PPNY/GSNY/Splash News Online Sarah Jessica Parker enjoys a girls' day out Wednesday with daughter Loretta, 10 months, in N.Y.C. The actress and her Sex and the City costars – whom she says have – return to the big screen May 27. 12 of 15 FACE THE MUSIC Andy Johnstone/Splash News Online It's in the bag – literally! Rising pop star Ke$ha goes incognito with a smile on Wednesday while arriving at Los Angeles International Airport, where officials made her remove her mask when she got to security. 13 of 15 GOLDEN GREETING Paul Buck/Reuters/Landov Call them ambassadors of style! A newly shorn Heidi Klum and husband Seal welcome German Chancellor Angela Merkel to L.A. on Wednesday, where the dignitary met with Governor Arnold Schwarzenegger. 14 of 15 SPRING BREAK Mike Coppola/FilmMagic It's hammer time! Khloe Kardashian helps to demolish a wall in N.Y.C. – symbolizing breaking down barriers in the way people talk about feminine care – for Kotex's new "Declaration Of Real Talk" campaign on Wednesday. 15 of 15 STAR AND STRIPES FOREVER Fame Pictures A very mod-looking Hilary Duff dons a striped black-and-white sweater Wednesday as she makes her way back to her N.Y.C. hotel.