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Uploaded on Nov 15, 2011
"SUBSCRIBE: http://full.sc/UBDdWt To get into the holiday spirit Kendal & Kylie Jenner sang Justin Bieber's ""Mistletoe"" with celebrities walking the carpet at the red carpet world premiere of ""The Twilight Saga: Breaking Dawn - Part 1."" On Air with Ryan Seacrest on YouTube The official home for video from On Air with Ryan Seacrest and RyanSeacrest.com. Subscribe now for exclusive celebrity interviews, music performances, and entertainment news from American Idol and American Top 40 host Ryan Seacrest.