Preview of Rob's Interview with ET Canada

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Robert Pattinson sat down with our Erin Cebula to chat about what it was like filming "Water For Elephants" with Reese Witherspoon.

And when she asked whether he was more intimated by the 9,000 pound elephant named Rosey or Reese, he said: "Actually definitely Reese."

Watch the preview below and tune-in tonight for the full interview.

ET Canada