Pop is South Korea's biggest musical export, typified by sugary looks, slick choreography and catchy tunes, CBC's Catherine Mercier reports.

K-pop is popular throughout most of Asia and leads many teens to rehearse dance moves, for perfect synchronization, and to consider plastic surgery, for a perfect face.

Despite the notable exception of Gangnam Style singer PSY, Koreans need to be thin and beautiful if they hope to make it, those in the business say.

To see Mercier's full report, click the above link.