Maxwell, Busta Rhymes and Octavia Spencer also celebrate.
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Naomi Campbell: May 22 - At 44, his former supermodel can still hold her own on a catwalk or a 'zine cover. (Photo: Stuart C. Wilson/Getty Images)
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Grace Jones: May 19 - The style icon celebrates her 66th birthday. (Photo: Gareth Cattermole/Getty Images for Battersea Power Station)
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Rohan Marley: May 19 - Bob Marley's entrepreneurial son turns 42. (Photo: Eugene Gologursky/Getty Images for Gotham Magazine)
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Naturi Naughton: May 20 - The star of 50 Cent's upcoming series, Power, celebrates her 30th birthday. (Photo: Mike Windle/Getty Images for Nylon)
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Busta Rhymes: May 20 - The former Flipmode Squad leader turns 42 this week. (Photo: Charley Gallay/Getty Images for Malibu Red)
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Cher: May 20 - Can you believe this club queen is 68 years old? (Photo: Joel Ginsburg/WENN.com)
Photo: Joel Ginsburg/WENN.com
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Mr. T: May 21 - The '80s pulp icon, born Laurence Tureaud, is 62 years old. (Photo: Michael Buckner/Getty Images)
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Ron Isley: May 21 - The Isley Brothers member celebrates his 73rd birthday. (Photo: Frederick M. Brown/Getty Images)
Photo: Frederick M. Brown/Getty Images
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Johnny Gill: May 22 - The New Edition member turns 48 years old this week. (Photo: Vivien Killilea/Getty Images)
Photo: Vivien Killilea/Getty Images
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Vivian Green: May 22 - The R&B chanteuse celebrates her 35th birthday. (Photo: Kris Connor/Getty Images)
Photo: Kris Connor/Getty Images
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Maxwell: May 23 - The sultry crooner celebrates his 41st birthday. (Photo: WENN.com)
Photo: WENN.com
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Patti LaBelle: May 24 - The music icon is a living legend at 70 years old. (Photo: Ilya Savenok/BET/Getty Images for BET)
Photo: Ilya Savenok/BET/Getty Images for BET
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Carl Anthony Payne: May 24 - The Martin star turns 45 years old this week. (Photo: Noel Vasquez/Getty Images)
Noel Vasquez/Getty Images
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Lauryn Hill: May 26 - The chanteuse, recently released from prison after serving a sentence for tax evasion, celebrates her 39th birthday. (Photo: Theo Wargo/Getty Images for CBGB)
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Octavia Spencer: May 25 - The Oscar-winning actress turns 44 years old this week. (Photo: Ben Gabbe/Getty Images)