Madonna says she would "rather get run over by a train" than get remarried.

On Wednesday night's Late Show with David Letterman, she also cracked that there were things to be thankful for while being married to filmmaker Guy Ritchie: At least she was out of the United States for the "Bush years."

After she made her entrance on the backs of a few New York Rangers, Letterman quipped, "Have you ever ridden hockey players before?" _ an apparent jab at her reported relationship with A-Rod of the New York Yankees.

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Check out the video highlights of Madonna's visit to Letterman below: