Biz Markie & Channing Tatum Sing 'Just A Friend' At Comic-Con

07/26/2014 02:40 pm ET | Updated Jul 26, 2014
Eric Charbonneau/Invision/AP

We'll go out on a limb and say that Channing Tatum and Biz Markie made the best musical duo at Comic-Con 2014. Markie made a surprise visit to "The Book Of Life" panel, which featured Tatum, Christina Applegate and Ron Perlman. A mariachi version of his legendary hit "Just A Friend" is featured in the film, but during the presentation he launched into an impromptu sing-along session. Tatum got some time on the mic and made a funny hand gesture, before the rest of the cast and audience joined in. "The Book Of Life" is out Oct. 17, 2014.

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