My Chemical Romance had a busy end to 2010 with the release of their eagerly awaited follow up to The Black Parade. And delivered a fan pleaser in the form of Danger Days: The True Lives of the Fabulous Killjoys. They spent New Years Eve with Carson Daly and up top you can watch a performance of their lead single from the new album, "Na Na Na". We all know it by this point! After the jump you can also cacth the boys performing "Sing" for the masses of screaming fans. Enjoy the two videos and if you want to pick youself up their latest studio offering you can do so over here.