Stars turning 40 in 2011
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| Stars Turning 40 in 2011 | 
In 1971, Led Zeppelin released a huge hit (listen) and  “Dirty Harry” was  packing theaters; meanwhile, proud parents were  welcoming babies like  the one who would grow up to be a rapper with his  own language, the one  who would be the star of “Heathers” and other  future famous folks.  See  which stars are turning 40 next year.
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| Stars Turning 40 in 2011 | 
Taye Diggs
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| Taye Diggs | 
Hitting 40 on Jan. 2, this easy-on-the-eyes actor found  fame in the quintessential Gen X musical and in reclaiming Stella's  groove. He stars on a “Grey’s Anatomy” spin-off.
Mary J. Blige
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| Mary J. Blige | 
The Queen of Hip-Hop Soul turns 40 on Jan. 11. Hailed  for her pipes on Grammy-nominated hits like “No More Drama,” (watch the  video) she is also an urban-chic fashion icon
Kid Rock
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| Kid Rock | 
Known for rock-rap tunes like “Cowboy,” this Detroit  musician (real name: Robert Ritchie) hits 40 on Jan. 11. Remember his  quickie marriage to a “Baywatch” babe?
Emmanuel Lewis
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| Emmanuel Lewis | 
It’s hard to believe that  Lewis,  who played black son  to a white couple in an ’80s sitcom, hits 40 on March 9. He prefers to  keep private a controversial friendship. 
Johnny Knoxville
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| Johnny Knoxville | 
Is it time to grow up for Knoxville, who is best known for sophomoric stunts in a popular movie series? He turns 40 on March 11.
Sheryl Swoopes
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| Sheryl Swoopes | 
The WNBA star is often compared to His Airness.   Swoopes has won Olympic gold and MVP honors. She turns 40 on March 25.
Mariah Carey
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| Mariah Carey | 
Currently expecting twins by her younger husband, what multi-octave singer hits the big 4-0 on March 27
Ewan McGregor
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| Ewan McGregor | 
From indie flicks like “Trainspotting” to film phenomena  like “Star Wars,” the Scottish actor who turns 40 on March 31 saw a  death threat shut down his latest.
Mark Wahlberg
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| Mark Wahlberg | 
His brother was a New Kid on the Block. But Mark was a  Funky buncher (video evidence).  Mark (see photos of the rapper turned  screen star) is winning plaudits in “The Fighter.”He turns 40 on June 5.  
Koko the gorilla
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| Koko the gorilla | 
Turning 40 on July 4, this nonhuman San Francisco  resident (see photos of the gorilla)  starred in a documentary about her  ability to communicate. She also took care of a little critter. 
Sandra Oh
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| Sandra Oh | 
This Korean-Canadian actress turns 40 on July 20.  You  know her as Dr. Yang on a popular TV medical drama  She also played the  good-time gal in the wine movie “Sideways.”
Jeff Gordon
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| Jeff Gordon | 
On Aug. 4, one of NASCAR’s biggest stars  celebrates  four decades. He’s made headlines for his temper and being first in his  class to pass a huge cash milestone.
Thalia
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| Thalia | 
Famous in the United States as a singer   Thalia is also  famous in her native Mexico as an actress, hence her self-given  nickname. She turns 40 on Aug. 26.  
Amy Poehler
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| Amy Poehler | 
No joke, this actress and former “SNL” star turns 40 on  Sept. 16.  Now starring as a public servant on a sitcom, she’s married  to (and has kids with) this funnyman.
Lance Armstrong
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| Lance Armstrong | 
Even if he weren’t the world’s most famous cyclist, who  hits 40 on Sept. 18, he’d be known worldwide for his innovative cancer  foundation. 
Sacha Baron Cohen
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| Sacha Baron Cohen | 
Cohen may be less famous than his high-concept characters. He turns 40 on Oct. 13. 
Snoop Dogg 
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| Snoop Dogg | 
This former gangsta rapper has transitioned to family-friendly entertainer. Snoop turns 40 on Oct. 20. 
Winona Ryder
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| Winona Ryder | 
“I’m at that age I’ve been warned my whole life about,”  says Ryder, who turns 40 on Oct. 29. But she’ll always be the teen  heroine of a late-’80s mean-girl movie. 
Michael Strahan
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| Michael Strahan | 
With his charming gap-tooth smile  this football legend turned sportscaster holds an NFL record. He hits the big 4-0 on Nov. 21.
Ricky Martin
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| Ricky Martin | 
This recently-out-as-gay pop star and father of twins  rose to fame as a boy-band star and rose to superstardom with hits like  “Livin’ La Vida Loca.” He’s 40 on Dec. 24.