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Star Tracks: Monday, December 15, 2014

Star Tracks: Monday, December 15, 2014

By People Staff

Updated December 15, 2014 07:00 PM

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ON YOUR MARK, GET SET …

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After a quarter-marathon run, tennis pro Serena Williams sweats it out at The Serena Williams Ultimate Run Karaoke After-Party and Award Ceremony in Miami Beach on Sunday.

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'ABOUT' TIME

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Singer Meghan Trainor grabs the mic at Sunday's KISS 108 Jingle Ball in Boston.

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BRINGING THE HEAT

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Bradley Cooper battles the cold in N.Y.C. on Sunday on his way to perform in The Elephant Man on Broadway.

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THE MUSIC MEN

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Jay Z joins Justin Timberlake on stage in Brooklyn, New York, Sunday night as the singer's 20/20 Tour winds down. "Nothing like being at sold-out Barclays with the King of Brooklyn," JT Tweeted after the show.

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THREE'S COMPANY

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Oprah Winfrey, along with her Selma costar David Oyelowo and director Ava Duvernay, attends the film's premiere at New York's Ziegfeld Theatre on Sunday.

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AWARD-WORTHY

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Prince Harry presents a prize to Lt. David Henson, a competitor in his summer Invictus Games, at Sunday's 2014 Sports Personality of the Year Awards in Glasgow, Scotland.

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GREEN WITH ENVY

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Nikki Reed juices up while running some errands in West Hollywood on Sunday.

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FAIR FIGHT

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It's on! Dwayne flexes his muscles for an arm wrestling match at the Children's National Medical Center on Saturday in Washington, D.C.

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WHO'S THAT GIRL?

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Hat? Check. Shades? Check. An incognito Jennifer Lawrence arrives at her New York City hotel on Sunday.

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NO SECRET

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Costars Taron Egerton, Colin Firth and Samuel L. Jackson step out in N.Y.C. for a fan screening of their upcoming movie Kingsman: The Secret Service on Sunday.

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JOY TO THE WORLD

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No 'doubt' about it! Gwen Stefani gets into the holiday spirit during the 25th annual KROQ Almost Acoustic Christmas at The Forum in Inglewood, California, on Saturday.

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ON AIR

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Meanwhile, her husband Gavin Rossdale takes his Saturday performance with band Bush to new heights at KROQ's Almost Acoustic Christmas.

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MESSAGE RECEIVED

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James Franco goes for a bike ride in Santa Monica, California, on Saturday, sporting a T-shirt with the message "Haters Gonna Hater Ain'ters Gonna Ain't." (Wonder if he's trying to tell someone something?)

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WINNER'S CIRCLE

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Lenny Kravitz takes home the NRJ Award of Honor at Saturday's NRJ Music Awards in France.

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MODEL TRAVELER

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Looks like Behati Prinsloo doesn't mind holiday travel! The supermodel is all smiles while arriving at LAX on Sunday.

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HAPPY HOLIDAYS

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Why so serious, Darius Rucker? The country singer keeps a straight face next to the smiley Obama family onstage at TNT's Christmas in Washington at the National Building Museum on Sunday in Washington, D.C.

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PUCKER UP

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Bad Bryan! Former Breaking Bad star Cranston lays a wet one on a poster of Angela Lansbury before seeing her perform in Noel Coward's play Blithe Spirit on Sunday in L.A.

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HAMM-ING IT UP

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A fan snags a silly selfie with a scruffy Jon Hamm outside a restaurant in L.A. on Sunday.

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RETAIL THERAPY

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Model Kendall Jenner struts her stuff while shopping in N.Y.C.'s East Village with Cody Simpson and fellow model Gigi Hadid on Sunday.

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GIVE HER A HAND!

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Eva Longoria glams up for a good cause while attending Sunday's Global Gift Gala at the Dubai International Film Festival. (She's a "Global Gifter" for the foundation.)

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ON THE GLOW

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Keira Knightley keeps her baby bump bundled up as she makes her way around London on Thursday.

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'BABY' LOVE

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It's a mommy-daughter date for Drew Barrymore and 7-month-old Frankie, who make for an adorable duo Saturday at Jessica Alba's Baby2Baby charity holiday party in L.A.

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GOOD TIDINGS

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Ashley Greene and boyfriend Paul Khoury spread holiday cheer Saturday at a St. Jude Children's Research Hospital event at Brooks Brothers in Beverly Hills.

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FAMILY PORTRAIT

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No strangers to working the camera, host Bryce Dallas Howard and director dad Ron show off their skills with a Saturday selfie session at Canon's "Let It Snow" Globe pop-up in Hollywood.

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SANTA TELL HER

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Ariana Grande makes for one cute reindeer as she performs at the iHeartRadio Jingle Ball 2014, hosted by Z100 New York on Friday.

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BLONDE AMBITION

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Before celebrating her 25th birthday in epic style, Taylor Swift cozies up to fellow Jingle Ball performer Iggy Azalea.

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DRESSED TO IMPRESS

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Nick Jonas, Rita Ora and Ryan Seacrest, decked out in their festive best, get ready to take the Jingle Ball stage.

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IN THE GROOVE

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Also at the iHeartRadio Jingle Ball, The Voice's Gwen Stefani and Pharrell take a break from judging duties to rock the holiday spirit.

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JINGLE ALL THE WAY

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Will they take the stage to sing some tunes from Annie? Quvenzhané Wallis and Jamie Foxx hang backstage at Jingle Ball.

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BIG STAR

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Newly minted Golden Globe nominee Amy Adams takes some time to chat about her film at 92nd Street Y in N.Y.C. on Friday.

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RING AROUND THE MARTIN

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Count this as another game to add to your holiday celebrations! Martin Freeman takes a turn playing "Antler Ring Toss" while appearing on The Tonight Show on Friday.

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BABY STEPS

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Mom-to-be Liv Tyler keeps her baby bump bundled up as she walks around N.Y.C. on Friday.

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MEALS ON WHEELS

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Zac Efron grabs his lunch to go at The Palm restaurant Friday in Los Angeles.

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THIGH HIGH

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Looking ravishing in red, Beyoncé owns the red carpet at the 2014 Billboard Women in Music luncheon at Cipriani Wall Street on Friday in New York City.

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ACTION FIGURE

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Look out! New dad Ryan Gosling stays in character while filming a scene for his upcoming film The Nice Guys in Atlanta, Georgia.

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FUR GOOD

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Younger star Hilary Duff stays warm (and connected) on the New York City set of her TV series on Thursday.

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Star Tracks: Monday, December 15, 2014

1 of 42

ON YOUR MARK, GET SET …

1 of 42

2 of 42

'ABOUT' TIME

2 of 42

3 of 42

BRINGING THE HEAT

3 of 42

4 of 42

THE MUSIC MEN

4 of 42

5 of 42

THREE'S COMPANY

5 of 42

6 of 42

AWARD-WORTHY

6 of 42

7 of 42

GREEN WITH ENVY

7 of 42

8 of 42

FAIR FIGHT

8 of 42

9 of 42

WHO'S THAT GIRL?

9 of 42

10 of 42

NO SECRET

10 of 42

11 of 42

JOY TO THE WORLD

11 of 42

12 of 42

ON AIR

12 of 42

13 of 42

MESSAGE RECEIVED

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14 of 42

WINNER'S CIRCLE

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15 of 42

MODEL TRAVELER

15 of 42

16 of 42

HAPPY HOLIDAYS

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17 of 42

PUCKER UP

17 of 42

18 of 42

HAMM-ING IT UP

18 of 42

19 of 42

RETAIL THERAPY

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20 of 42

GIVE HER A HAND!

20 of 42

21 of 42

ON THE GLOW

21 of 42

22 of 42

'BABY' LOVE

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23 of 42

GOOD TIDINGS

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24 of 42

FAMILY PORTRAIT

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25 of 42

SANTA TELL HER

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BLONDE AMBITION