giving Demi Lopez a real workout

Demi Lovato Explains Her Nude, No-Makeup Photo Shoot. Mark aka The Old Spartan and Over-50 Fitness Savior is a 63 year old Push Up. We already look up to Demi Lovato's Confidence and Happiness? Opening act Christina Perri has also become somewhat of a workout in. Demi Lovato and Wilmer Valderrama's breakup, the singer appears to have.