Mark Wahlberg: Marky Mark Is All Growed Up

3/16/2010 9:30 AM PDT BY TMZ STAFF
He may no longer rap with the Funky Bunch, but Mark Wahlberg is still walking around shirtless and exposing his underpants.

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The 38-year-old showed off his beefier physique on the L.A. set of his latest film, "The Fighter."

Such a good vibration.