• Slideshow Photos

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    Image: Y100's Jingle Ball 2013 Presented By Jam Audio Collection - Show

    Celebrity Sightings

    Miley Cyrus performs in Sunrise, Fla., Zac Efron watches a NBA game, John Mayer and Stevie Wonder perform together, and more.

  • Image: Y100's Jingle Ball 2013 Presented By Jam Audio Collection - Show

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    Miley Cyrus

    Miley Cyrus performs onstage during Y100's Jingle Ball in Sunrise, Fla., on Dec. 20.

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  • Image: Celebrity Sightings In Los Angeles - December 22, 2013

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    Selma Blair

    Selma Blair and her son, Arthur Bleick, are seen at the Studio City Farmers Market in Los Angeles on Dec. 22.

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  • Image: Nicole "Snooki" Polizzi Visits Sizzle Tans

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    Nicole "Snooki" Polizzi

    Nicole "Snooki" Polizzi visits Sizzle Tans in East Hanover, N.J., on Dec. 21.

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  • Image: Beyonce Celebrates The Release Of Her Self-Titled Visual Album "Beyonce"

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    Beyonce

    Beyonce attends a release party and screening for her new self-titled album "Beyonce" at the School of Visual Arts Theater in New York on Dec. 21.

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  • Image: Celebrity Sightings In Los Angeles - December 21, 2013

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    Hilary Duff

    Hilary Duff and Luca Comrie are seen in Los Angeles on Dec. 21.

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  • Image: Celebrity Sightings In Los Angeles - December 21, 2013

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    Kim Kardashian

    Kim Kardashian is seen in Los Angeles on Dec. 21.

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  • Image: Celebrity Sightings In Los Angeles - December 22, 2013

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    Lisa Vanderpump

    Lisa Vanderpump is seen shopping at Barneys New York in Los Angeles on Dec. 22.

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  • Image: Celebrity Sightings In Los Angeles - December 21, 2013

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    Ray Liotta

    Ray Liotta is seen in Los Angeles on Dec. 21.

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  • Image: Stevie's 18th Annual House Full Of Toys Benefit Concert

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    Esperanza Spalding

    Esperanza Spalding performs on December 21, 2013 in Los Angeles on Dec. 21.

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  • Image: Audi Celebrates The Holidays And Snow Polo In Aspen 2013

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    Tony Goldwyn

    Tony Goldwyn attends Audi Celebrates The Holidays And Snow Polo In Aspen 2013 in Aspen, Colo, on Dec. 21.

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    Ahna O'Reilly, Jessica Chastain

    Ahna O'Reilly and Jessica Chastain attend Audi Celebrates The Holidays And Snow Polo In Aspen 2013 in Aspen, Colo., on Dec. 21.

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  • Image: Aretha Franklin In Concert - Detroit, MI

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    Aretha Franklin

    Aretha Franklin performs in concert at MotorCity Casino's Sound Board Theater in Detroit on Dec. 21.

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  • Image: 2013 Mayhem & Mistletoe Party

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    Gervase Peterson

    Gervase Peterson attends the 2013 Mayhem & Mistletoe Party at XFINITY Live! Philadelphia on Dec. 21.

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  • Image: 2013 Mayhem & Mistletoe Party

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    GinaMarie Zimmerman

    GinaMarie Zimmerman attends the 2013 Mayhem & Mistletoe Party at XFINITY Live! Philadelphia on Dec. 21.

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  • Image: Celebrities At The Los Angeles Lakers Game

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    Zac Efron

    Zac Efron attends a basketball game between the Minnesota Timberwolves and the Los Angeles Lakers at Staples Center in Los Angeles on Dec. 20.

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  • Image: Celebrity Sightings In Los Angeles - December 22, 2013

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    Elizabeth Berkley

    Elizabeth Berkley and her son, Sky Cole Lauren, are seen at the Studio City Farmers Market in Los Angeles on Dec. 22.

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  • Image: Celebrity Sightings In Los Angeles - December 22, 2013

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    Jessica Alba

    Jessica Alba and her daughter, Honor Warren, are seen in Los Angeles on Dec. 22.

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  • Image: Emily Kinney In Concert

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    Emily Kinney

    Emily Kinney poses backstage at the Gramercy Theatre on in New York on Dec. 22.

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  • Image: Celebrity Sightings In Los Angeles - December 22, 2013

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    Olivier Martinez

    Olivier Martinez is seen at LAX airport in Los Angeles on Dec. 22.

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  • Image: Celebrity Sightings In Los Angeles - December 22, 2013

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    Paris Hilton is seen at LAX airport in Los Angeles on Dec. 22.

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  • Image: PSY

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    PSY

    South Korean rapper PSY performs during his concert "All Night Stand" in Seoul, South Korea on Dec. 22.

    AP / AP
  • Image: Celebrity Sightings In Los Angeles - December 22, 2013

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    Gwen Stefani

    Gwen Stefani is seen in Los Angeles on Dec. 22.

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  • Image: John Mayer, Stevie Wonder

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    John Mayer, Stevie Wonder

    John Mayer, left, and Stevie Wonder perform onstage during Stevie's 18th annual House Full of Toys Benefit Concert at Nokia Theatre L.A. Live in Los Angeles on Dec. 21

    AP / AP
  • Image: Celebrity Sightings In Los Angeles - December 21, 2013

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    Brooke Burke Charvet

    Brooke Burke Charvet and her daughter, Heaven Rain Charvet, are seen shopping on Dec. 21.

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  • Image: Wynonna Judd

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    Wynonna Judd

    Wynonna Judd performs in concert during her "A Simpler Christmas Tour 2013" at the Strand Capitol Performing Arts Center in York, Pa., on Dec. 22.

    AP / AP
  • Image: 30th Anniversary UNCF Mayor's Masked Ball

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    Gladys Knight

    Gladys Knight performs onstage at the 30th Anniversary UNCF Mayor's Masked Ball at Atlanta Marriott Downtown in Atlanta on Dec. 21.

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  • Image: Celebrities Attend "Yo Gabba Gabba! Live!" - New York, New York - Day 3

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    Noel Wells

    Noel Wells attends "Yo Gabba Gabba! Live!" at The Beacon Theatre in New York on Dec. 22.

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