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Floyd Mayweather Jr.: February 24 - The boxing champ hits the big 4-0 today! (Photo: Jason LaVeris/FilmMagic) 

Photo By Photo: Jason LaVeris/FilmMagic

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Rihanna: February 20 - RiRi continues to slay the charts at 29. (Photo: PATRICK KOVARIK/AFP/Getty Images) 

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Sidney Poitier: February 20 - The Oscar winner celebrates his 90th birthday. (Photo: Tommaso Boddi/Getty Images for AFI) 

Photo By Photo: Tommaso Boddi/Getty Images for AFI

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Charles Barkley: February 20 - Outspoken and opinionated are two words best used to describe this 54-year-old. (Photo: Brent N. Clarke/FilmMagic) 

Photo By Photo: Brent N. Clarke/FilmMagic

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Nancy Wilson: February 20 - The legendary jazz singer remains a flawless beauty at 80. (Photo: Jon Kopaloff/FilmMagic) 

Photo By Photo: Jon Kopaloff/FilmMagic

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Corbin Bleu: February 21 - The Disney Channel star and Dancing With the Stars runner-up is all grown up at 28. (Photo: Monica Schipper/WireImage) 

Photo By Photo: Monica Schipper/WireImage

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Robert Mugabe: February 21 - Zimbabwe's most notable revolutionary and politician turns 93 this week. (Photo: JEKESAI NJIKIZANA/AFP/Getty Images) 

Photo By Photo: JEKESAI NJIKIZANA/AFP/Getty Images

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Rajon Rondo: February 22 -  The NBA star is now 31. (Photo: Allen Berezovsky/WireImage) 

Photo By Photo: Allen Berezovsky/WireImage

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Julius Erving: February 22 - Retired Dr. J is a basketball legend at 67. (Photo: Lisa Lake/Getty Images for Play Golf Designs, Inc.) 

Photo By Photo: Lisa Lake/Getty Images for Play Golf Designs

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Aziz Ansari: February 23 - The Parks and Recreation star and one of Kanye's "real friends" is making his mark in comedy at 34. (Photo: J. Kempin/Getty Images for NBC) 

Photo By Photo: J. Kempin/Getty Images for NBC

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Daymond John: February 23 - The Shark Tank investor celebrates his 48th birthday. (Photo: Albert L. Ortega/Getty Images) 

Photo By Photo: Albert L. Ortega/Getty Images

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Skylar Grey: February 23 - The beautiful singer turns 31 this week. (Photo: Allen Berezovsky/FilmMagic) 

Photo By Photo: Allen Berezovsky/FilmMagic

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Niecy Nash: February 23 - Soul Man's leading lady keeps us laughing at 47. (Photo: FilmMagic/FilmMagic for HBO) 

Photo By Photo: FilmMagic/FilmMagic for HBO

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Ed Jones: February 23 - The retired NFL icon celebrates his 66th birthday this week.  (Photo: Anonymous/AP/REX/Shutterstock)

Photo By Photo: Anonymous/AP/REX/Shutterstock

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Earl Sweatshirt: February 24 - The Odd Future member has already made a name for himself in music at only 23. (Photo: FilmMagic/FilmMagic for YouTube)

Photo By Photo: FilmMagic/FilmMagic for YouTube

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Billy Zane: February 24 - From The Phantom to Titanic this 51-year-old actor has starred in some of Hollywood's most iconic films. (Photo: Paul Archuleta/FilmMagic) 

Photo By Photo: Paul Archuleta/FilmMagic

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Eddie Murray: February 24 - Steady Eddie, one of Major League Basball's most iconic figures, hits the big 61. (Photo: Tiffany Rose/Getty Images for Harold & Carole Pump Foundation )

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Rashida Jones: February 25 - With several blockbuster films under her belt, this 41-year-old actress is no longer living in her famous father's shadow. (Photo: Frederick M. Brown/Getty Images)