Danni Allen works out with Jillian Michaels in "The Biggest Loser" episode shown Feb. 4. Another episode airs Monday.
Trae Patton/NBC
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Danni Allen can go around the suburbs incognito because she already looks different than she does on the NBC television show "The Biggest Loser." While the reality series is halfway to its live finale in March, all the other episodes were pre-shot, and the contestants are all back in their real lives.