If you saw Carrie Underwood hit the stage for a surprise ... Underwood has transformed her body since she was on American Idol nearly 20 years ago. These days, it's clear that her gams are one ...

When we think of Carrie Underwood, we picture powerhouse vocals, sassy country hits, and killer legs ... also put the focus on her lean and toned body parts, while her sparkly clutch blended ...