SHINee's Taemin and TEEN TOP's Niel�not only competed against each other on stage but backstage as well on the February 8 installment of 'Immortal Song 2'.�

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During the backstage dance battle, Taemin and Niel seemed to know each other's strengths and weaknesses as fellow idol competitors while showing off their dancing skills. They also competed in a high pitch competition to see who can go up the music scale the highest. When asked what he thinks he is better at than Taemin, Niel also answered that he has better lips.

Check out the dance battle above!�