Star Tracks: Tuesday, November 30, 2010

01 of 16

SPEAK NOW

Jennifer Lopez waves to fans on Tuesday as she's announced as the newest spokesperson for the Boys amp Girls Clubs of America. The American Idol judge is the first female face of the organization, joining fellow BGCA alumnus Denzel Washington in the role.

02 of 16

BUDDING ARTIST

Anne Hathaway – who's set to co-host the Oscars with James Franco on Feb. 27 – is coming up roses in Dolce amp Gabbana at IFP's 20th Anniversary Gotham Independent Film Awards Monday night in New York.

03 of 16

DANCING QUEEN

Express yourself! Madonna leads a sexy dance class Monday at the opening of her very first gym, Hard Candy Fitness, in Mexico City. The Material Girl plans to open more locations worldwide in the months ahead.

04 of 16

BOLD SHOULDER

Also at the IFP Awards: Black Swan star Natalie Portman, who makes a glamorous entrance Monday night in New York City. The actress is generating Oscar buzz for her gritty role in the ballerina thriller.

05 of 16

FANCY FEET

Shall we dance? Former Dancing with the Stars rivals Kyle Massey and Jennifer Grey go for a jovial spin Tuesday morning at the launch of the Epic Mickey video game at the Disney Store in New York City.

06 of 16

HAT TRICK

Fergie travels comfortably on Tuesday, arriving at Los Angeles International Airport in a cozy sweater and draped top. Her latest album with the Black Eyed Peas, The Beginning, drops today.

07 of 16

POLISH & SHINE

Halle Berry brings her signature style to Los Angeles on Monday, posing before a special Variety screening of her new film, Frankie and Alice, at the ArcLight Hollywood cinemas.

08 of 16

DECK THE HALLS

New dog owner Joe Jonas picks up a seasonal gift – a Christmas tree! – while out in West Hollywood on Monday.

09 of 16

CALL TIME

Can you hear me now? A multitasking George Clooney phones it in on his way back to work Monday after lunch in Studio City, Calif.

10 of 16

WHAT A 'HAMM'-FUL!

Mad Men's Jon Hamm is one dapper baggage handler, heading out of his N.Y.C. apartment on Monday with enough luggage for two!

See more stars' airport style here!

11 of 16

RETAIL FOR TWO

With sometimes girlfriend Kim Kardashian in the Big Apple, Gabriel Aubry spends quality time with the other woman in his life – daughter Nahla, 2½ – during an excursion to The Grove in L.A. on Sunday.

12 of 16

A LEG UP

A bundled-up Jessica Simpson braves New York's wintry weather while stepping out in the city Monday. The singer spent Thanksgiving with fiancé Eric Johnson, for whom she cooked a vegan dinner.

13 of 16

CLOSE SHAVE

New York Yankee Nick Swisher shows off his baby-faced new look after doing away with his mustache at an Art of Shaving store in New York. The baseball player had been growing out his facial scruff for men's health charity Movember, which promotes prostate cancer awareness.

14 of 16

POINT & SHOOT

Tori Spelling gets camera-ready Monday before beginning filming on her new ABC talk show at L.A.'s The Grove shopping center.

15 of 16

WATER BABY

Seraphina loves her Aquafina! Jennifer Garner holds on tight to her 22-month-old tot while hitting an L.A.-area Target.

16 of 16

SET DRESSING

Look who's a "Bass" act? Ed Westwick gets right into character as his alter ego Chuck Bass while filming scenes for Gossip Girl in New York Monday.