Liam did a quick twitcam to thank all the fans for bringing the album and single to #1! Watch it below! (:
December 9th - Niall - Jingle Ball in New York City
December 13th - Niall performing on the 'Tonight Show starring Jimmy Fallon'
December 11th - Niall - Jingle Ball in Boston
December 12th - Niall - Jingle Ball in Washington D.C.
December 14th - Niall - Jingle Ball in Chicago
December 24th - Louis' birthday
(see the full list)