"Here's there great thing about Hollywood and show business generally. Britney Spears, anybody see the MTV video music awards. A lot of people say she was not at her best. And they're saying that will damage her career. Well guess what, thank god she's staring in a brand new movie. How about that? Yes, it's called 3:10 to Rehab."

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Letterman makes a joke about Britney needing to go to rehab.

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