MacKenzie Bourg, Cody Belew, Dez Duron, Diego Val, and Julio Cesar Castillo sang the Fountains of Wayne hit "Stacy’s Mom" on The Voice Season 3 live finale tonight, Dec. 18, 2012. The Voice’s heartthrobs used the ole timey diner setting to woo the ladies on this flirtatious tune. These four former contestants managed to blend well on the song despite having very different musical backgrounds. What did you think of this performance? Tell us below!