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Jay-Z: December 4 - The father-to-be celebrates his 42nd birthday.(Photo: Frazer Harrison/Getty Images)

Photo By Photo: Frazer Harrison/Getty Images

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Don Cheadle: November 29 - The acclaimed actor celebrates his 47th birthday.(Photo: Larry Busacca/Getty Images for Sundance Film Festival)

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Game: November 29 - The Cali rapper turns 32.(Photo: John Ricard/BET)

Photo By Photo: John Ricard/BET

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Des’Ree: November 30 - Remember her? The British singer celebrates her 43rd birthday.(Photo: Dave Hogan/Getty Images)

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Zoe Kravitz: December 1 - The actress/musician (and beautiful daughter of Lisa Bonet and Lenny Kravitz) turns 23.(Photo: Brad Barket/PictureGroup)

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Janelle Monae: December 1 - The innovative singer celebrates her 26th birthday.(Photo: Gregg DeGuire/PictureGroup)

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Lucy Liu: December 2 - The Kill Bill Vol. 1 actress turns 43. (Photo: Amy Sussman/Getty Images)

Photo By Photo: Amy Sussman/Getty Images

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Treach: December 2 - The Jersey rapper celebrates his 41st birthday. (Photo: Frank Micelotta/PictureGroup)

Photo By Photo: Frank Micelotta/PictureGroup

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Nelly Furtado: December 2 - The "Promiscuous" singer turns 33.(Photo: Kevin Winter/Getty Images for LARAS)

Photo By Photo: Kevin Winter/Getty Images for LARAS

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Britney Spears: December 2 - The former teen queen is celebrating her 30th birthday.(Photo: Ethan Miller/Getty Images for ABC)

Photo By Photo: Ethan Miller/Getty Images for ABC

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Teairra Mari: December 2 - This singer is celebrating her 24th birthday.(Photo: Vallery Jean/Getty Images)

Photo By Photo: Vallery Jean/Getty Images

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Malinda Williams: December 3 - The Let's Stay Together actress celebrates her 36th birthday.(Photo: Brian Killian/Getty Images)

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Montell Jordan: December 3 - This singer turned preacher turns 43.(Photo: Sean Gallup/Getty Images)

Photo By Photo: Sean Gallup/Getty Images

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Trina: December 3 - The Miami rapper celebrates her 33rd birthday.(Photo: John Ricard / BET)

Photo By Photo: John Ricard / BET

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Cassandra Wilson: December 4 - This celebrated jazz singer turns 56. (Photo: Alexandra Wyman/Getty Images for Thelonious Monk Institute)

Photo By Photo: Alexandra Wyman/Getty Images for Thelonious Monk Institute

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Tyra Banks: December 4 - The top model and successful talk show host turns 38.(Photo: Jamie McCarthy/Getty Images)

Photo By Photo: Jamie McCarthy/Getty Images

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Lauren London: December 4 - The ATL actress celebrates her 27th birthday.(Photo: Alberto E. Rodriguez/Getty Images)

Photo By Photo: Alberto E. Rodriguez/Getty Images

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Dawn Robinson: November 28 - The En Vogue singer turns 43. (Photo: Alberto E. Rodriguez/Getty Images for Music Mogul Finals)

Photo By Photo: Alberto E. Rodriguez/Getty Images for Music Mogul Finals

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Berry Gordy: November 28 - The Motown legend is 82 years young.(Photo: L.Martinez/JPegFoto)

Photo By L.Martinez/JPegFoto

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Garcelle Beauvais: November 26 - The Haitian beauty celebrates her 45th birthday.(Photo: Jason Merritt/Getty Images)

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Styles P.: November 28 - The Yonkers-born rapper turns 37.(Photo: Walik Goshorn/Retna)

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Chamillionaire: November 28 - The MC, born Hakeem Seriki, celebrates turning 32.(Photo: Scott Gries/PictureGroup)

Photo By Photo: Scott Gries/PictureGroup

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Trey Songz: November 28 - The easy-on-the-eyes rapper is 27.(Photo: Mark Davis/PictureGroup)

Photo By Photo: Mark Davis/PictureGroup