US First Lady Michelle Obama is set to appear on cult television comedy Parks and Recreation.

Her White House office confirmed that the First Lady will guest star in the NBC show's season six finale, the BBC reports.

Mrs Obama's cameo, in an episode titled Moving Up, will centre on her campaign against child obesity.

Michelle Obama is not the first US politician to appear on the show - US Vice President Joe Biden made a cameo in 2012, the BBC reminds.

Three further senators, including presidential runner John McCain, have also guest starred in the show, which is currently in its sixth season.

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