PREVIEW: A Toast to 2015!

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Kathie Lee Gifford and Hoda Kotb are kicking off the New Year's Eve celebration with "A Toast to 2015!" - the ultimate year-end look at the buzziest stories and events over the last twelve months. An all-star cast of celebrities recount the most talked about moments and mishaps that made for an unforgettable year. Produced by Dateline, the two-hour primetime special airs Thursday, December 31 at 8pm/7c.