Montblanc and UNICEF celebrate the launch of their new 'Signature For Good 2013 Initiative'
Adriana M. Barraza/WENN.com

Madonna‘s trainer Nicole Winhoffer flexes her muscle.

The mega star has named her trainer creative director of Hard Candy Fitness, her global chain of fitness clubs.

The program titled “addicted to sweat“gives you an idea of what you’re in for.