Anna Kournikova will be seen teaching the contestants how to play tennis on an upcoming episode of the U.S. competition series "The Biggest Loser," NBC said.
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"From sparks of drama in the house, an early and dramatic weigh-in and Kournikova's surprise visit, to an intense challenge and an especially inspiring 'Where are they now?' segment with this week's eliminated contestant, it's an unforgettable episode of can't-miss moments on 'The Biggest Loser,'" the network said in a news release.
"The week kicks off with one contestant expressing a wish to go home, which creates drama and tension in the house, while another group of players form a secret alliance."
