People.com Celebrity Star Tracks: Monday, October 18, 2010 By People Staff Published on October 18, 2010 05:00 PM Share Tweet Pin Email 01 of 17 BABE ON BOARD Michael Buckner/WireImage Making waves in Hawaii, Vanessa Hudgens takes a breather Sunday while surfing at The Waikiki Edition hotel opening event. 02 of 17 BUTTING GREEN Rachael Yarbrough/PictureGroup There's a perfect ten on the front nine! Justin Timberlake takes in the action from a cushy seat on the green at the Las Vegas Fiji Water Youth Clinic on Sunday. 03 of 17 ICING ON THE CAKE Jamie McCarthy/WireImage What a sweet celebration! Kim Kardashian has her cake – and will eat it too! – as she celebrates her 30th birthday Saturday night with gal pal Ciara at TAO New York in Manhattan. 04 of 17 'MAD' CONNECTIONS Clint Spaulding/PatrickMcMullan/Sipa This is quite a lounge act! Cara Buono, Christina Hendricks, Matthew Weiner, Jon Hamm and Elisabeth Moss celebrate Sunday's season four finale of Mad Men at the 21 Club in New York. 05 of 17 SHERLOCK HOMIES Hammond/Hennessy/Splash News Online Jude Law and Robert Downey Jr. get in character Monday, donning period costumes – dapper three-piece suits! – on the London set of Sherlock Holmes 2. 06 of 17 BATTER UP Flynet Hugh Jackman hosts a playful game of cricket in a New York City park on Sunday for daughter Ava, 5, and son Oscar, 10 (not pictured). 07 of 17 SHE'S THE BOSS Flynet She's an engaging director! Angelina Jolie keeps things lively on the set of her new movie, her directorial debut, Sunday in Budapest, while Brad Pitt (not pictured) pays another sweet visit. 08 of 17 WHAT A 'SCREAM' Frank Micelotta/Getty Days after announcing his separation from Courteney Cox, it's back to work for David Arquette, who teams up with his Scream 4 colleagues – (from left) Neve Campbell, Alison Brie, director Wes Craven and Emma Roberts – at Spike TV's Scream Awards Saturday in L.A. 09 of 17 PET PROJECT GSI Media Days after welcoming their twins Gideon Scott and Harper Grace, new dads Neil Patrick Harris and partner David Burtka spend some time with their pups during a stroll together in Studio City, Calif., on Saturday. 10 of 17 HIP CHICK Jason Merritt/Getty Looking great! Days after filing for divorce, Christina Aguilera makes a glam arrival in a body-hugging dress at the grand opening soiree of the Waikiki Edition hotel in Hawaii on Friday night. 11 of 17 PICK-ME UP Wagner Az/Pacific Coast News Hold on tight! Naomi Watts gives 3-year-old son Sasha a lift Friday while strolling through New York. 12 of 17 HIRSUTE HIMSELF Paul Martinka/Polaris Showing off his growing beard, Jake Gyllenhaal celebrates the opening of New York's first Edible Schoolyard Academy at P.S. 216 in Gravesend, Brooklyn on Friday. The Edible Schoolyard program teaches students about organic farming. 13 of 17 SOME LIKE IT HOT Gareth Cattermole/Getty Michelle Williams makes one sultry statement Friday at the BFI London Film Festival premiere of Blue Valentine. The actress worked a new platinum do, part of her onscreen transformation to play Marilyn Monroe. 14 of 17 FOILED AGAIN! Gareth Cattermole/Getty Also across the pond: a shimmering Hilary Swank, who premiered her new film Conviction at the London Film Festival. 15 of 17 TOWHEADED TWOSOME Daniel/Mauceri/INF Keeping her newly blonde locks under wraps, a beaming Ashlee Simpson-Wentz strides into New York's JFK International Airport Friday with son Bronx Mowgli, nearly 2. 16 of 17 SERVICE WITH A SMILE Albert Michael/startraks Can you hear me now? Gossip Girl star Penn Badgley seeks help from a Best Buy associate on Friday while shopping for a new cell phone in New York. 17 of 17 THE BOLD & THE BEAUTIFUL INF Jenny McCarthy hits the beaches of Miami Friday in a graphic-print cover-up with new beau Jason Toohey (not pictured).