Workout by Carrie Underwood's trainer

Carrie Underwood Has to Sing While Working Out

How Celebrity Personal Trainer Erin Oprea Built Her Business

Carrie Underwood Shares Her Secret To A Quick Leg Workout

Try Carrie Underwood's Canadian Thanksgiving Workout

Carrie Underwood's Trainer Makes Her Sing on the Treadmill

Carrie Underwood's Workout Secrets & Diet Tips – Hollywood Life

Carrie Underwood's Leg Workout

Celebrity Trainer Erin Oprea's Leg Workout Routine - Lively

Carrie Underwood Workout and Diet - The Barbell

74 Carrie Underwood Calia Photos & High Res Pictures - Getty Images

Trainer Erin Oprea on the 'Huge Honor' of Leading the First All-Female Marine Corps Platoon

Let Carrie Underwood's Trainer Sculpt Your Legs, Too! - E! Online Carrie underwood leg workout, Leg workout, Carrie underwood legs

Workout by Carrie Underwood's trainer Erin oprea, At home workouts, Leg workout

Exclusive: Carrie Underwood's Favorite Fitness Moves

Carrie Underwood Shares Makeup-Free Gym Selfie on Instagram