Top Chef: Las Vegas is the sixth season of the American reality television series Top Chef. It was first filmed in Las Vegas, Nevada, before concluding in Napa, California. The season premiered on August 19, 2009, and ended on December 16, 2009. Beginning with this season, the prize money awarded to the winner was increased from US$100,000 to $125,000. In the season finale, Michael Voltaggio was declared the winner over runners-up Bryan Voltaggio and Kevin Gillespie. Gillespie was voted Fan Favorite. In 2010, Top Chef: Las Vegas received the Primetime Emmy Award for "Outstanding Reality Competition Program".

Top Chef: All-Stars is the eighth season of the American reality television series Top Chef. The season was first filmed in New York City before concluding in The Bahamas. All-Stars consisted of chefs from the previous seven seasons who did not win the title of Top Chef. It premiered on December 1, 2010, and concluded on April 6, 2011. The cast was announced during the Top Chef: D.C. reunion special on September 22, 2010. The prize money awarded to the winner of the season was US$200,000. In the season finale, Top Chef: Chicago runner-up Richard Blais was declared the winner over Top Chef: Las Vegas contestant Mike Isabella. Top Chef: New York runner-up Carla Hall was voted Fan Favorite.