Singer will perform on MTV’s ‘NYE in NYC 2012’ along with Mac Miller, Selena Gomez and J. Cole. By Christina Garibaldi Jason Derulo Photo: MTV News It’s almost that time to ring in the new year, and what better way to do so than with MTV? “NYE in NYC 2012” will air live at 11 p.m. ET on Saturday from Times Square, hosted by Demi Lovato and Tyler Posey of “Teen Wolf.” Also on hand to count down will be some of music’s biggest stars, including J. Cole , Mac Miller , Selena Gomez and Jason Der