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Kid Ink: April 1 - The Cali rapper celebrates his 29th birthday this week.(Photo: Neilson Barnard/Getty Images for Power 105.1)

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MC Hammer: March 30 - At 53, this performer is still known as a music and fashion trendsetter.(Photo: Earl Gibson III/Getty Images for BET)

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Norah Jones: March 30 - The "Don't Know Why" singer still has that youthful glow at 36.(Photo: Larry Busacca/Getty Images for NARAS)

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Tracy Chapman: March 30 - This 51-year-old singer is known for penning classic hits like "Fast Car," "Crossroads" and "Talkin' 'Bout a Revolution."(Photo: Jerod Harris/Getty Images)

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Celine Dion: March 30 - With hits like "My Heart Will Go On" and "I'm Alive," this 47-year-old is an iconic force in music.(Photo: Jason Merritt/Getty Images for The UCLA Department of Head and Neck Surgery)

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Al Gore: March 31 - Politician, philanthropist and environmental advocate are all words that can be used to describe this 67-year-old.(Photo: Larry Busacca/Getty Images for NARAS)

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Susan Boyle: April 1 - Britain's breakout star is still making music at 54.(Photo: Karwai Tang/Getty Images)

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Rachel Maddow: April 1 - The famed television host and political commentator celebrates her 42nd birthday.(Photo: Lloyd Bishop/NBC/NBCU Photo Bank via Getty Images)

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David Oyelowo: April 1 - Selma's breakout star turns 39.(Photo: Pascal Le Segretain/Getty Images)

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Yung Joc: April 2 - The rapper-turned-reality-star seems to be working on new music at 32.(Photo: Marcus Ingram/Getty Images)

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Adam Rodríguez: April 2 - CSI: Miami's leading man hits the big 4-0.(Photo: Frazer Harrison/Getty Images)

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Quavo: April 2 - This member of the popular rap group Migos celebrates his 24th birthday.(Photo: Neilson Barnard/Getty Images for Power 105.1)

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Eddie Murphy: April 3 - The Coming to America actor is Hollywood royalty at 54.(Photo: Pascal Le Segretain/Getty Images)

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Aries Spears: April 3 - This 40-year-old comedian was a series regular on FOX's MADtv.(Photo: Robin Marchant/Getty Images)

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Leona Lewis: April 3 - From winning the X Factor to topping the charts, this 30-year-old has come a long way.(Photo: Ian Gavan/Getty Images)

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Kelly Price: April 4 - The singer and former star of R&B Divas turns 42 this week.(Photo: Alberto E. Rodriguez/Getty Images for BET)

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Clive Davis: April 4 - The famous record exec and entrepreneur is still a legendary force in music at 83.(Photo: Charley Gallay/Getty Images for NAACP Image Awards)

Photo By Photo: Charley Gallay/Getty Images for NAACP Image Awards

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Jill Scott: April 4 - The neo soul vocal powerhouse celebrates her 43rd birthday.(Photo: Jemal Countess/Getty Images)

Photo By Photo: Jemal Countess/Getty Images

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Todrick Hall: April 4 - This 30-year-old Internet sensation is an acting, singing and dancing pro.(Photo: Neilson Barnard/Getty Images for Shorty Awards)

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Christian Combs: April 4 - Diddy's mini-me is growing up into a young mogul like his dad at 17.(Photo: Johnny Nunez/WireImage)

Photo By Photo: Johnny Nunez/WireImage

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Ben Gordon: April 4 - The U.K.'s very own basketball sensation is now 32.(Photo: Rob Foldy/Getty Images)

Photo By Photo: Rob Foldy/Getty Images

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Christopher 'Kid' Reid: April 5 - As one half of the duo Kid 'n' Play, this 51-year-old has made history in music and film.(Photo: Valerie Macon/Getty Images)

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Pharrell Williams: April 5 - The 42-year-old "Happy" maestro has every reason to smile with all of his recent success.(Photo: Jamie McCarthy/Getty Images)

Photo By Photo: Jamie McCarthy/Getty Images

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Juicy J: April 5 - The Oscar-winning rapper hits the big 4-0.(Photo: Jason Merritt/Getty Images)

Photo By Photo: Jason Merritt/Getty Images

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Greg Mathis: April 5 - The famous retired judge and television sensation turns 55.(Photo: Frederick M. Brown/Getty Images for NAACP Image Awards)

Photo By Photo: Frederick M. Brown/Getty Images for NAACP Image Awards