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DMX: December 18 - At 45, this MC is still a bad boy.(Photo: Mark Davis/Getty Images for Coachella)

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Donna Brazile: December 15 - The vice chairwoman of the Democratic National Committee is now 57.(Photo: Larry Busacca/Getty Images for People)

Photo By Photo: Larry Busacca/Getty Images for People

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J.B. Smoove: December 16 - The Real Husbands of Hollywood star turns 51 this week.(Photo: Cindy Ord/Getty Images for Iconix)

Photo By Photo: Cindy Ord/Getty Images for Iconix

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Michael McCary: December 16 - This Boyz II Men member celebrates his 44th birthday.(Photo: Allen Berezovsky/Getty Images)

Photo By Photo: Allen Berezovsky/Getty Images

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Kiara Muhammad: December 16 - The 17-year-old child star is the face of the popular kids' show Doc McStuffins.(Photo: RD / Scott Kirkland / Retna Digital/Corbis)

Photo By Photo: RD / Scott Kirkland / Retna Digital/Corbis

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Donovan Bailey: December 16 - At 48, the retired sprinter stands as the first Canadian to legally break the 10-second barrier in the 100m.(Photo: Stuart C. Wilson/Getty Images)

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LaChanze: December 16 - Can you believe this Tony Award-winning actress and singer is 54.(Photo: Ilya S. Savenok/Getty Images for American Theatre Wing)

Photo By Photo: Ilya S. Savenok/Getty Images for American Theatre Wing

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Ernie Hudson: December 17 - This Ghostbusters star just turned 70!(Photo: Frazer Harrison/Getty Images)

Photo By Photo: Frazer Harrison/Getty Images

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Jaimee Foxworth: December 17 - The former Family Matters child star is now all grown up at 36. (Photo: Jesse Grant/WireImage)

Photo By Photo: Jesse Grant/WireImage

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Sean Patrick Thomas: December 17 - Save the Last Dance, Cruel Intentions and Barbershop are just a couple of projects from this 45-year-old's catalog.(Photo: Michael Loccisano/Getty Images for the 2014 Tribeca Film Festival)

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Christina Aguilera: December 18 - At 25, the "Beautiful" singer has more than two decades of music experience under her belt.(Photo: Jerod Harris/Getty Images)

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Pierre Thomas: December 18 - The Washington running back celebrates his 31st birthday this week.(Photo: Scott Cunningham/Getty Images)

Photo By Photo: Scott Cunningham/Getty Images

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Angie Stone: December 19 - The R&B diva turns 54 this week.(Photo: Alberto E. Rodriguez/Getty Images for BET)

Photo By Photo: Alberto E. Rodriguez/Getty Images for BET

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Cicely Tyson: December 19 - We can only hope we look this good at 82.(Photo: Jemal Countess/Getty Images)

Photo By Photo: Jemal Countess/Getty Images

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Tyson Beckford: December 19 - The famous male model is handsome as ever at 45.(Photo: Jamie McCarthy/Getty Images for Sunglass Hut)

Photo By Photo: Jamie McCarthy/Getty Images for Sunglass Hut

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Tim Reid: December 19 - The popular TV dad — remember Sister, Sister? — just turned 71.(Photo: Alex Wong/Getty Images)

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Warren Sapp: December 19 - The NFL Hall of Famer is now 43. (Photo: Al Messerschmidt/Getty Images)

Photo By Photo: Al Messerschmidt/Getty Images

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Spoken Reasons: December 19 - From YouTube to the big screen, this 27-year-old comedian is already beginning to make his mark in Hollywood.(Photo: JD Pht Bx & MCGM / Splash News)

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Maurice White: December 19 - The founder of legendary singing group Earth, Wind & Fire celebrates his 74th birthday.(Photo: Frederick M. Brown/Getty Images)

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Ashley Cole: December 20 - The 35-year-old English soccer player stands as one of London's best athletes. (Photo: Alex Livesey/Getty Images)

Photo By Photo: Alex Livesey/Getty Images