Fitness Experts for Crystal

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  • Jeannette Jenkins
  • Michelle Obama
  • LL Cool J
  • Sean T
  • A.J. Johnson
  • Rosa Acosta
  • Angela Bassett
  • Tina Turner
  • Serena Williams
  • Usain Bolt
  • Shelly-Ann Fraser
  • Billy Blanks

LL Cool J

Rapper LL Cool J has been showing off his well toned body for nearly thirty years. LL currently has an advice column in Men's Fitness magazine. (Photo: Peter Kramer/Getty Images)

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