Michelle Obama Returning to 'Biggest Loser'

The first lady will support a campaign that encourages people to drink more water.
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Michelle Obama

The first lady is returning to The Biggest Loser.

Michelle Obama is set to appear on the NBC weight-loss competition in November. Her appearance will be in support of a campaign launched by Partnership for a Healthier America that encourages people to drink more water. Biggest Loser sponsor Brita has backed the campaign.

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This will mark Obama's second appearance on Biggest Loser. She first appeared on the show in April 2012, when she took part in a workout at the White House as part of her Let's Move anti-obesity campaign. (Watch the video below.)

The 15th season of Biggest Loser debuts at 8 p.m. Tuesday. Among the contestants will be American Idol winner Ruben Studdard, with trainers Bob Harper, Jillian Michaels and Dolvett Quince all returning.

Broadcasting & Cable was the first to report the news of Obama's return to the show.