Miles O'Brien hosts an informal countdown to the new year.
Anderson Cooper takes over as host of CNN's annual countdown to the new year.
Anderson Cooper returns for CNN's annual New Year's Eve countdown.
Anderson Cooper returns for CNN's annual New Year's Eve countdown.
Anderson Cooper returns for CNN's annual New Year's Eve countdown.
Anderson Cooper returns for CNN's annual New Year's Eve countdown.
Kathy Griffin joins Anderson Cooper for CNN's annual New Year's Eve countdown.
Anderson Cooper and Kathy Griffin return for CNN's annual New Year's Eve countdown.
Anderson Cooper and Kathy Griffin return for CNN's annual New Year's Eve countdown.
Anderson Cooper and Kathy Griffin return for CNN's annual New Year's Eve countdown.
Anderson Cooper and Kathy Griffin return for CNN's annual New Year's Eve countdown.
Anderson Cooper and Kathy Griffin return for CNN's annual New Year's Eve countdown.
Anderson Cooper and Kathy Griffin return for CNN's annual New Year's Eve countdown.
Anderson Cooper and Kathy Griffin return for CNN's annual New Year's Eve countdown.
Anderson Cooper and Kathy Griffin return for CNN's annual New Year's Eve countdown.
Anderson Cooper and Kathy Griffin return for CNN's annual New Year's Eve countdown.
Andy Cohen joins Anderson Cooper for CNN's annual New Year's Eve countdown.
Anderson Cooper and Andy Cohen return for CNN's annual New Year's Eve countdown.
Anderson Cooper and Andy Cohen return for CNN's annual New Year's Eve countdown.
Anderson Cooper and Andy Cohen return for CNN's annual New Year's Eve countdown.
Anderson Cooper and Andy Cohen return for CNN's annual New Year's Eve countdown.
Anderson Cooper and Andy Cohen return for CNN's annual New Year's Eve countdown.
Anderson Cooper and Andy Cohen return for CNN's annual New Year's Eve countdown.
Anderson Cooper and Andy Cohen return for CNN's annual New Year's Eve countdown.
