Mark Ruffalo almost danced his way out of "13 Going on 30." Jennifer Garner recently appeared on theSkimm, where she opened up about the 2004 rom-com and revealed that Ruffalo wanted to drop out of the film due to some challenging choreography for one scene. "We started to learn the dance," Garner, 48, prefaced the story. "Our first rehearsal, I think it was Mark and Judy [Greer] and me, and Judy and I were both dancers growing up and poor Mark didn't know that." Fans of the hit movie remember that the famous dance scene features a plethora of partygoers who moved in lockstep to Michael Jackson’s "Thriller." "[Ruffalo] came in and he hated the rehearsal process so much, he almost dropped out," Garner added.
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