Jack Black Strips Down and Covers Taylor Swift 'Anti-Hero' at Los Angeles Fundraiser

Jack Black performed at The Give Back-ular Spectacular! event in Los Angeles on Wednesday night and delivered an impromptu cover of Taylor Swift's "Anti-Hero."

Jack Black Sings Taylor Swift in His Underwear: See Video

Jack Black strips to his underwear and performs Taylor Swift songs

Jack Black flaunts his flexibility and his underwear while singing

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Jack Black Strips Down to His Boxers to Perform Taylor Swift's

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Jack Black Strips Down and Covers Taylor Swift 'Anti-Hero' at Los

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Jack Black strips down to his underpants to perform Taylor Swift

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Jack Black Strips Down To His Boxers To Perform Taylor Swift's

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