Coldplay will rock in the new year in style, with three shows to cap off 2012. The British rockers will visit Mohegan Sun Arena in Uncasville, Connecticut, on December 29th, then hit Brooklyn's Barclays Center on December 30th and 31st. Co-headliner Jay-Z will join Coldplay on New Year's Eve. Tickets for the Mohegan Sun Arena show will go on sale this Friday, November 16th, at 10 a.m. EST. Tickets for the two Barclays Center shows will go on sale this Saturday, November 17th, at 10 a.m. EST. Visit Live Nation for tickets and more details.