What to Wear to the Gym

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  • Ciara
  • Mary J. Blige
  • Gabrielle Union
  • Tyra Banks
  • Kelly Rowland
  • Angela Simmons
  • Zoe Saldana
  • Jennifer Hudson
  • Kim Kardashian
  • Halle Berry
  • Serena Williams
  • Amber Rose
  • Meagan Good

Gabrielle Union

Stay hydrated no matter how you exercise. The 40-year-old actress says her number one beauty secret is drinking a gallon of water a day. Layers also help keep your body regulated throughout your fitness routine so you focus on completing reps instead of how uncomfortable you are.

(Photo: Paul Morigi/WireImage)

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