• Slideshow Photos

    Image: Delta Air Lines' Holiday Flight To The North Pole

    Celebrity Sightings

    Ashley Tisdale greets children, Macklemore performs at Staples Center, Taylor Diggs shows up at a gala, and more.

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    Lana Del Rey -

    Lana Del Rey premieres "Tropico" at Cinerama Dome at ArcLight Cinemas in Hollywood, Calif., on Dec. 4.
    Christopher Polk / Getty Images
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    Deborah Ann Wolf -

    Deborah Ann Woll attends the after-party following opening night performance of "Parfumerie" at Wallis Annenberg Center for the Performing Arts at Nic's in Beverly Hills, Calif., on Dec. 4.
    Charley Gallay / Getty Images
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    Grant Show -

    Grant Show attends the opening night performance of "Parfumerie" at Wallis Annenberg Center for the Performing Arts in Beverly Hills, Calif., on Dec. 4.
    Charley Gallay / Getty Images
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    Jay Rutland -

    Jay Rutland walks in New York on Dec. 4.
    Dave Kotinsky / Getty Images
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    Ashley Tisdale -

    Ashley Tisdale meets children as she joins Delta Air Lines and YMCA Of Greater New York at "Holiday Flight to The North Pole" event for PS 197 elementary school students at JFK in New York on Dec. 4.
    Bryan Bedder / Getty Images
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    Maggie Grace -

    Maggie Grace attends the premiere of Tribeca Film and Well Go USA's "The Truth About Emanuel" at ArcLight Hollywood in Hollywood, Calif., on Dec. 4.
    David Livingston / Getty Images
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    Sam Jaeger -

    Sam Jaeger attends the premiere of Tribeca Film and Well Go USA's 'The Truth About Emanuel' at ArcLight Hollywood in Hollywood, Calif., on Dec. 4.
    Imeh Akpanudosen / Getty Images
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    Jessica Biel -

    Jessica Biel attends the premiere of Tribeca Film and Well Go USA's 'The Truth About Emanuel' at ArcLight Hollywood in Hollywood, Calif., on Dec. 4.
    Imeh Akpanudosen / Getty Images
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    Josh Duhamel -

    Josh Duhamel is seen in Los Angeles on Dec. 4.
    Bauer-griffin / Getty Images Contributor
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    Mary J. Blige -

    Mary J. Blige performs at the 81st annual Rockefeller Center Christmas tree lighting ceremony in New York on Dec. 4.
    Evan Agostini / AP
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    Mariah Carey -

    Mariah Carey attends the 81st annual Rockefeller Center Christmas Tree Lighting Ceremony in New York on Dec. 4.
    Gilbert Carrasquillo / Getty Images
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    Maria Menounos -

    Maria Menounos attends the Make-A-Wish Greater Los Angeles 30th Anniversary Gala in Los Angeles on Dec. 4.
    Jason Merritt / Getty Images
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    Hilary Duff -

    Hilary Duff greets a young patient at Sick Kids Hospital in Toronto on Dec. 4.
    Chris Young / AP
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    Taye Diggs -

    Taye Diggs attends the 2013 Alvin Ailey American Dance Theater's opening night benefit gala at New York City Center on Dec. 4.
    Ilya S. Savenok / Getty Images
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    Joe Manganiello -

    Joe Manganiello visits the SiriusXM Studios in New York on Dec. 4.
    Astrid Stawiarz / Getty Images
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    Edward Burns -

    Edward Burns is seen walking with his son, Finn, in New York on Dec. 4.
    Mario Magnani/bauer-griffin / Getty Images
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    Colin Firth -

    Colin Firth attends the UK Premiere of "The Railway Man" at Odeon West End in London on Dec. 4.
    Dave J Hogan / Getty Images
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    Jeremy Irvine -

    Jeremy Irvine attends the UK Premiere of "The Railway Man" at Odeon West End in London on Dec. 4.
    Dave J Hogan / Getty Images
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    Colin Farrell -

    Colin Farrell attends 2013 Variety Screening Series Presents Disney's "Saving Mr. Banks" at ArcLight Hollywood in Hollywood, Calif., on Dec. 4.
    Valerie Macon / Getty Images
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    Salma Hayek -

    Salma Hayek attends the Stella McCartney Christmas Lights Switch On at the Stella McCartney Bruton Street Store in London on Dec. 4.
    David M. Benett / Getty Images
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    Adrian Grenier -

    Adrian Grenier attends DuJour Magazine's event to honor artist Marc Quinn at Delano Beach Club in Miami Beach, Fla., on Dec. 4.
    Eugene Gologursky / Getty Images
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    Gabrielle Union -

    Gabrielle Union attends the after party for the 2013 Alvin Ailey American Dance Theater's opening night benefit gala at the Hilton New York on Dec. 4.
    Michael Stewart / Getty Images
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    Macklemore -

    Macklemore performs at Staples Center in Los Angeles on Dec. 4.
    Chelsea Lauren / Getty Images
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    Colin Egglesfield, Ahna O'Reilly -

    Colin Egglesfield and Ahna O'Reilly at launch event for Stella Artois Crystal Chalice in New York on Dec. 4.
    Mike Coppola / Getty Images
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    Robin Thicke -

    Robin Thicke performs onstage during Q102A's Jingle Ball 2013 presented by Bernie Robbins Jewelers, at Wells Fargo Center in Philadelphia on Dec. 4.
    Theo Wargo / Getty Images
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    Flo Rida -

    Flo Rida attends Q102A's Jingle Ball 2013 presented by Bernie Robbins Jewelers, at Wells Fargo Center in Philadelphia on Dec. 4.
    Lisa Lake / Getty Images
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    Kelly Rutherford -

    Kelly Rutherford attends the Barbara Tag 2013 at Postpalast in Munich on Dec. 4.
    Franziska Krug / Getty Images
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    Marion Cotillard -

    Marion Cotillard attends the 'Waltz With Monica' Premiere At 13th Marrakech International Film Festival in Marrakech, Morocco on Dec. 4.
    Dominique Charriau / Getty Images
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    Lady Gaga -

    Lady Gaga is seen leaving her hotel in London on Dec. 4.
    Ant/bauer-griffin / Getty Images
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    Sir Patrick Stewart -

    Sir Patrick Stewart attends the Gray Line NYC 'Ride Of Fame' induction ceremony for himself at Pier 78 in New York on Dec. 4.
    Slaven Vlasic / Getty Images