0Michelle Obama to Appear on ‘The Biggest Loser’ (Video)Watch This!NBC announces that the first lady will appear on The Biggest Loser. From Iron Chef, to HGTV and Extreme Home Makeover, WATCH our mashup of her reality-TV spots. Alex BergUpdated Apr. 24, 2017 12:18PM EDT / Published Mar. 28, 2012 10:25PM EDT Alex BergGot a tip? Send it to The Daily Beast here.