Her second album, Carnival Ride, was released on October 23, 2007. It has so far sold about 3 million copies[3] and has produced three number one country hits, "So Small", "All-American Girl", and "Last Name". Underwood's Christmas single, "Do You Hear What I Hear?" peaked at #2 on the Billboard Adult Contemporary charts.

Aside from her vocals, Underwood's success is attributed to what many fans recognize as her wholesome image.[4] In general, many of her songs also present inspirational and uplifting themes and messages.[5] To date, Underwood has sold over 12 million records worldwide. Underwood was recently featured during the seventh season of American Idol.

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