Carrie Underwood, Kelsea Ballerini and the Jonas Brothers offered advice to their teenaged selves on the premiere of 'Brad Paisley Thinks He's Special.'
At the start of 2006, Carrie Underwood had an 'American Idol' victory and two No. 1 hits to her name -- but by the end of the year, her career had reached a new height, thanks in part to her mega-hit "Before He Cheats."