Celebrity Birthdays: Happy Birthday, Dave Chappelle!

Cassie, Quvenzhané Wallis and more also celebrate this week.

Dave Chappelle: August 24 - The comedy icon celebrates his 42nd birthday this week.  (Photo: Frederick M. Brown/Getty Images)

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Dave Chappelle: August 24 - The comedy icon celebrates his 42nd birthday this week. (Photo: Frederick M. Brown/Getty Images)

Reggie Miller: August 24 - The basketball legend turns the big 5-0 yet looks as youthful as ever.  (Photo: Bryan Steffy/Getty Images for SHOWTIME)

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Reggie Miller: August 24 - The basketball legend turns the big 5-0 yet looks as youthful as ever. (Photo: Bryan Steffy/Getty Images for SHOWTIME)

Photo By Photo: Bryan Steffy/Getty Images for SHOWTIME

Karrine Steffans: August 24 - The video vixen-turned-author celebrates her 37th birthday.(Photo: Charley Gallay/Getty Images)

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Karrine Steffans: August 24 - The video vixen-turned-author celebrates her 37th birthday.(Photo: Charley Gallay/Getty Images)

Photo By Photo: Charley Gallay/Getty Images

Justine Skye: August 24 - Not a teenager anymore! The singer turns 20 years old this week.  (Photo: Frederick M. Brown/Getty Images for BET)

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Justine Skye: August 24 - Not a teenager anymore! The singer turns 20 years old this week. (Photo: Frederick M. Brown/Getty Images for BET)

Photo By Photo: Frederick M. Brown/Getty Images for BET

China Anne McClain: August 25 - The House of Payne actress and singer celebrates her 17th birthday.   (Photo: Frederick M. Brown/Getty Images)

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China Anne McClain: August 25 - The House of Payne actress and singer celebrates her 17th birthday.  (Photo: Frederick M. Brown/Getty Images)

Photo By Photo: Frederick M. Brown/Getty Images

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Blair Underwood: August 25 - The L.A. Law star celebrates his 51st birthday.   (Photo: Alberto E. Rodriguez/Getty Images)

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Blair Underwood: August 25 - The L.A. Law star celebrates his 51st birthday.  (Photo: Alberto E. Rodriguez/Getty Images)

Kel Mitchell: August 25 - Hard to believe the Good Burger star is 37 years old! The actor will return to Nickelodeon this year with a new show called Game Shakers.  (Photo: Frazer Harrison/Getty Images)

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Kel Mitchell: August 25 - Hard to believe the Good Burger star is 37 years old! The actor will return to Nickelodeon this year with a new show called Game Shakers. (Photo: Frazer Harrison/Getty Images)

Branford Marsalis: August 26 - The jazz great is in his prime at 55.  (Photo: Daniel Reinhardt/dpa/Corbis)

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Branford Marsalis: August 26 - The jazz great is in his prime at 55. (Photo: Daniel Reinhardt/dpa/Corbis)

Keke Palmer: August 26 - Can you believe the talented and accomplished actress is only 22?(Photo: Jason Merritt/Getty Images)

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Keke Palmer: August 26 - Can you believe the talented and accomplished actress is only 22?(Photo: Jason Merritt/Getty Images)

Kim Burrell: August 26 - The Houston-born "jazz gospel" singer is 43 this week.  (Photo: Ilya S. Savenok/Getty Images)

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Kim Burrell: August 26 - The Houston-born "jazz gospel" singer is 43 this week. (Photo: Ilya S. Savenok/Getty Images)

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Evan Ross: August 26 - The newlywed and new dad is entering a new phase of life at 27.  (Photo: Jason Merritt/Getty Images for W Hotels)

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Evan Ross: August 26 - The newlywed and new dad is entering a new phase of life at 27. (Photo: Jason Merritt/Getty Images for W Hotels)

Cassie: August 26 - Diddy's bae celebrates her 28th birthday this week.  (Photo: Frederick M. Brown/Getty Images for BET)

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Cassie: August 26 - Diddy's bae celebrates her 28th birthday this week. (Photo: Frederick M. Brown/Getty Images for BET)

James Harden: August 26 - The NBA player and Khloe Kardashian's rumored new beau turns 26. Wonder what the couple will do to celebrate?   (Photo: Ezra Shaw/Getty Images)

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James Harden: August 26 - The NBA player and Khloe Kardashian's rumored new beau turns 26. Wonder what the couple will do to celebrate?  (Photo: Ezra Shaw/Getty Images)

Mario: August 27 - The "Let Me Love You" singer is 29 years old this week.  (Photo: Vivien Killilea/WireImage)

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Mario: August 27 - The "Let Me Love You" singer is 29 years old this week. (Photo: Vivien Killilea/WireImage)

Mase: August 27 - The Bad Boy star celebrates his 38th birthday.  (Photo: Paras Griffin/Getty Images)

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Mase: August 27 - The Bad Boy star celebrates his 38th birthday. (Photo: Paras Griffin/Getty Images)

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Chandra Wilson: August 27 - The Grey's Anatomy star turns 46 this week.  (Photo: Frazer Harrison/Getty Images)

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Chandra Wilson: August 27 - The Grey's Anatomy star turns 46 this week. (Photo: Frazer Harrison/Getty Images)

Photo By Photo: Frazer Harrison/Getty Images

Mario Winans: August 27 - The Grammy-winning R&B singer celebrates his 41st birthday.  (Photo: Johnny Nunez/WireImage)

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Mario Winans: August 27 - The Grammy-winning R&B singer celebrates his 41st birthday. (Photo: Johnny Nunez/WireImage)

Photo By Photo: Johnny Nunez/WireImage

Yolanda Adams: August 27 - The gospel singer turns 54 years old.  (Photo: Moses Robinson/Getty Images for Neighborhood Awards)

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Yolanda Adams: August 27 - The gospel singer turns 54 years old. (Photo: Moses Robinson/Getty Images for Neighborhood Awards)

Photo By Photo: Moses Robinson/Getty Images for Neighborhood Awards

Quvenzhané Wallis: August 28 - The Oscar-nominated actress is growing up in front of our eyes! The Annie star turns 12 years old this week.  (Photo: Frazer Harrison/Getty Images)

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Quvenzhané Wallis: August 28 - The Oscar-nominated actress is growing up in front of our eyes! The Annie star turns 12 years old this week. (Photo: Frazer Harrison/Getty Images)

Photo By Photo: Frazer Harrison/Getty Images

Kyle Massey: August 28 - The That's So Raven star celebrates his 24th birthday.  (Photo: Tommaso Boddi/Getty Images for GBK Productions)

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Kyle Massey: August 28 - The That's So Raven star celebrates his 24th birthday. (Photo: Tommaso Boddi/Getty Images for GBK Productions)

Photo By Photo: Tommaso Boddi/Getty Images for GBK Productions

Meshell Ndegeocello: August 29 - The impossible-to-categorize recording artist turns 46 years old.  (Photo: Mike Coppola/Getty Images)

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Meshell Ndegeocello: August 29 - The impossible-to-categorize recording artist turns 46 years old. (Photo: Mike Coppola/Getty Images)

Photo By Photo: Mike Coppola/Getty Images