People.com Celebrity Star Tracks: Thursday, November 11, 2010 By People Staff Published on November 11, 2010 05:00 PM Share Tweet Pin Email 01 of 15 SET DRESSING Flynet Courteney Cox buddies up to Cougar Town costar Brian Van Holt Wednesday while shooting scenes for their ABC comedy in Marina del Rey, Calif. The separated star recently stated she is not getting a divorce. 02 of 15 STORE SIGHTING Frederick Taylor/Broadimage Playboy cover girl Kendra Wilkinson attends a promotional event for the weight-loss supplement Ab Cuts Wednesday at a Santa Monica, Calif., GNC store. 03 of 15 A PIECE OF (FIRE)WORK Brian Zak/Sipa Ka-boom! Katy Perry lights up the night Wednesday while performing her latest single, "Firework," during a taping of the Victoria's Secret Fashion Show in N.Y.C. The runway presentation airs Nov. 30 on CBS. 04 of 15 BACK-UP PLAN Curtis Hilbun/AFF She's got a second act in music! Gwyneth Paltrow gets a show of support from pal Vince Gill on Wednesday night after making her country music debut at the CMA Awards in Nashville, Tenn. See more from country's big night here! 05 of 15 ALL PLAID OUT Anthony/Pacific Coast News While his Twilight costars are filming in Brazil, Taylor Lautner flashes his famous biceps in a fitted shirt back in L.A., where he was spotted grabbing lunching with his Abduction costar Lily Collins on Wednesday. 06 of 15 SHOW GOES ON TV/SS/Bauer-Griffin Christina Aguilera heads to a taping of Chelsea Lately Wednesday in L.A. to promote Burlesque. The single pop star recently stepped out with a new man, set assistant Matthew D. Rutler, whom she met while filming her movie musical. 07 of 15 WHITE HOT X17 Lady Gaga heads out of her hotel in Vienna, Austria, Wednesday to throng of paparazzi. The singer is set to perform at the country's Wiener Stadthalle arena Thursday as part of her Monster Ball world tour. 08 of 15 TRACK STARS HRC/WENN Russell Crowe and newfound friend Snoop Dogg bond over their affinity for track pants Wednesday night outside the New York City studios of The Late Show with David Letterman. Crowe's new film, The Next Three Days, hits theaters Nov. 19. 09 of 15 TANK ATTACK GSI Media Flaunting his toned arms in an all-black ensemble, Kellan Lutz steps out for a coffee break in L.A. Wednesday. The actor will soon begin filming Breaking Dawn alongside costars Robert Pattinson and Kristen Stewart. 10 of 15 BUNDLE OF JOY GSI Media Doting mom Halle Berry takes sweater-clad cutie Nahla, 2½, out for a shopping trip Wednesday in L.A. 11 of 15 SO AMUSEING Jose Perez/Splash News Online Kate Hudson and boyfriend, Muse frontman Matthew Bellamy, make a cozy pair Wednesday, laughing as they stroll hand-in-hand through New York's West Village. 12 of 15 WHY SO BLUE? PAPSFIRST/Splash News Online Jennifer Hudson puts her curves on display in a clingy blue bodysuit Wednesday while flying out of Washington, D.C.'s Reagan National Airport. 13 of 15 MAGICAL MOMENT Dave Hogan/Getty Is it time to return to Hogwarts already? Rupert Grint, Emma Watson and Daniel Radcliffe attend a photo call in London Wednesday, kicking off promotion for their latest film, Harry Potter and the Deathly Hallows: Part 1. The hotly anticipated flick hits theaters Nov. 19. 14 of 15 LITTLE MAESTRO Jackson Lee/Splash News Online Mason's musical career is off to an early start! Stylish mom Kourtney Kardashian totes the bundled up 11-month-old to music class Wednesday in N.Y.C. 15 of 15 GUITAR HEROES Sara Jaye Weiss/Startraks David Cook reunites with fellow American Idol alums Ruben Studdard and Melinda Doolittle (not pictured) Tuesday night to perform at the Ronald McDonald House benefit in New York.