Tennis sensation Anna Kournikova is heading to "The Biggest Loser" to lead contestants in a tennis contest during an episode on the show’s tenth season, TV Guide reported Wednesday.
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The 29-year-old Russian athlete and model will guide the remaining 15 contestants in a tennis workout as they compete to win the cash prize for losing the most weight.
Other professional athletes have appeared on the NBC reality show. Retired Arizona Cardinals quarterback — and current “Dancing With The Stars” contestant — Kurt Warner appeared on Season 7. Dallas Cowboys quarterback Tony Romo appeared on Season 9.
The episode featuring Kournikova will air October 5.