Star Tracks: Friday, March 2, 2012

Prepping for her SNL hosting duties, Lohan flashes a smile in N.Y.C. Plus: Mariah Carey, Ashton Kutcher, Melissa McCarthy and more
By People Staff
Updated March 02, 2012 05:00 PM

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SAY CHEESE

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Before working her comedic chops on SNL tomorrow, Lindsay Lohan squeezes in a shopping trip, visiting Alice + Olivia Thursday in New York.

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HONORABLE MENTION

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Funny girl Melissa McCarthy, honors her Mike & Molly creator Chuck Lorre during the Academy of Television Arts amp Sciences 21st annual Hall of Fame ceremony in Beverly Hills on Thursday.

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STARRY NIGHT

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Va va voom! Hubby Nick Cannon escorts Mariah Carey as she makes a jaw-dropping arrival to perform at the Escape to Total Rewards concert in New York Thursday. The multi-city event, sponsored by Caesars Entertainment, hosted concerts in four cities.

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GAL PALS

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Newfound friends? Expectant mom Kourtney Kardashian and Ashlee Simpson strike a pose at Hollywood outpost of the Escape to Total Rewards bash Thursday.

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THINK PINK

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Mom-to-be Molly Sims keeps her canine carry-on close during an afternoon of errands Thursday in L.A.

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PUCKER UP

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Aww! TV personality Mario Lopez gives his adorable daughter, Gia, 1, a big smooch while filming Extra Thursday in Los Angeles.

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MAN OF HONOR

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Ashton Kutcher steps out to celebrate Two and a Half Men creator Chuck Lorre during the Academy of Television Arts amp Sciences 21st annual Hall of Fame ceremony in Beverly Hills on Thursday.

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PICTURE PERFECT

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Rosie O'Donnell and fiancée Michelle Rounds snuggle up for a photo Thursday during Escape to Total Rewards's Chicago bash.

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BOOGIE NIGHTS

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Don't hassle the Hoff! Channeling his former Baywatch persona, David Hasselhoff busts a move during a performance at the G-A-Y club Thursday in London, England.

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LEATHER BOUND

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After a fan-filled trip to Brazil, Zac Efron hits the Big Apple on Thursday, where he made an appearance on ABC's The View to promote his upcoming animated flick The Lorax.

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MUSEUM ROW

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It's a family field trip! Halle Berry and Olivier Martinez accompany daughter Nahla, who turns 4 on March 16, to the Kidspace Children's Museum in Pasadena, Calif., on Thursday.

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SHEER GENIUS

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Ooh la la! Katy Perry plays peekaboo with her style Thursday while taking in the shows during Paris Fashion Week.

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TOUR OF DUTY

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Continuing his whirlwind promo tour, Taylor Kitsch crosses the pond for the London premiere of John Carter on Thursday night.

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THAT'S A WRAP

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With her partying ways behind her, Lindsay Lohan bundles up while heading to a Saturday Night Live rehearsal Thursday in New York.

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TAKE A HIKE!

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Natalie Portman shields 8-month-old son Aleph from the California sunshine at L.A.'s Runyon Canyon on Thursday.

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MOTO CHIC

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After attending the Balenciaga runway show, Kristen Stewart grabs a bite at Le Duc restaurant during Paris Fashion Week.

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By People Staff