Carrie Underwood had the surprise of a lifetime on Saturday as she was awarded by the Recording Industry Association of America (RIAA) with Platinum plaques for album Some Hearts and the song Before He Cheats.MORE: Carrie Underwood looks like a fairytale princess in strapless gown embellished in glitterThe country superstar was performing at the Opry in Nashville when the RIAA walked out on stage to announce her debut album had been certified nine times platinum, and the single seven