December 15, 2011 8:38 am Anna Kournikova Leaves “Biggest Loser” After Just One Season Retired tennis pro, Anna Kournikova, will leave “The Biggest Loser” after only one season. The show will continue with trainer Bob Harper and host Alison Sweeney. US & World Videos 0:48 World Central Kitchen to resume operations in Gaza 0:23 Names of two pandas coming to San Diego revealed 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie 2:22 Scarlett Johansson and Colin Jost have date night at White House Correspondents' dinner 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner