Celebrity Star Tracks: Friday, April 16, 2010 By People Staff Published on April 16, 2010 05:00 PM Share Tweet Pin Email Trending Videos 01 of 15 IN THE BAG Phamous Fotos/Splash News Online The Hills frenemies Kristin Cavallari and Audrina Patridge play nice Thursday while filming scenes for the final season of their reality hit in Beverly Hills. 02 of 15 SWEET TREAT Milton Ventura/Celebrity Photo Miley Cyrus indulges in a lollipop Thursday while out and about in Beverly Hills with boyfriend Liam Hemsworth (not pictured). 03 of 15 PLAY CATCH UP Jon Kopaloff/FilmMagic Pierce Brosnan catches up with his Die Another Day Bond girl, Halle Berry, Thursday at the grand opening of Tod's Boutique in Beverly Hills. 04 of 15 TWO STEP Matt Symons/Pacific Coast News They sure look cozy! Dancing with the Stars partners Erin Andrews and Maksim Chmerkovskiy stay close Thursday while leaving a taping of Chelsea Lately in L.A. 05 of 15 HIP TO IT Splash News Online Mariah Carey hits the red carpet Thursday for the 12th annual Keepers of the Dream Awards at the Sheraton New York Hotel amp Towers, where the Precious star picked up the James Brown Cultural Excellence Award. 06 of 15 BELLY LAUGHS PPNY/GSNY/Splash News Online Parks and Recreation star Amy Poehler flaunts her growing baby bump Wednesday while strolling through N.Y.C. The actress and husband Will Arnett expect their second child later this year. 07 of 15 ZAC'S PACK Marion Curtis/Startraks Selma Blair, Claire Danes, Maggie Gyllenhaal and Parker Posey step out in support of Zac Posen Thursday, where the designer debuted his new line for Target with a 24-hour shopping party in New York. 08 of 15 MAKING SCENTS Jason Kempin/Getty Smells like a photo op! Real Housewives of New York City's Kelly Bensimon puts her nose to the test Thursday at the grand opening celebration of a new Anthropologie store in N.Y.C. 09 of 15 BABY BALLERINA Fame Pictures Another day, another dance class! Two-year-old Olive gets set to channel her inner ballerina Thursday with mom Isla Fisher in L.A. 10 of 15 COLOR CHAMELEON Cam Griffith/Bauer-Griffin Looks like those dark locks are here to stay! Katherine Heigl – who'll return to the big screen in June's Killers – sashays through the streets of N.Y.C. on Thursday. 11 of 15 TOUCH & GO Kaminski/Splash News Online Carey Mulligan stays in touch with bearded boyfriend Shia LaBeouf – even on the go – in Bel Air, Calif., on Thursday. The PDA-happy couple can next be seen together in September's Wall Street sequel. 12 of 15 WHY SO BLUE? Elder Ordonez/INF Katy Perry steps out in electric blue shades while shopping at New York's Patricia Field boutique Wednesday. 13 of 15 RUNNING MAN Mavrix Looks like someone's working on their fitness! Mike "The Situation" Sorrentino hits the treadmill at a Miami gym Thursday, where Jersey Shore is shooting its second season. 14 of 15 TWICE AS NICE UPPA/ZUMA Prince William poses alongside his likeness at Christie's in London Thursday, where photos from the art exhibition "A Positive View" were auctioned off to benefit the homeless charity Crisis. The Prince is a patron of the exhibit. 15 of 15 VIEW FROM THE TOP Humberto Carreno/Startraks Fresh off their Barbados family vacation, Liev Schreiber gives son Alexander (aka Sasha), 2, a boost during a stroll Thursday in New York.