Pentatonix's "Joy to the World" Rendition Will Literally Inject You With the Holiday Spirit

If you loved Pentatonix's tribute to Michael Jackson and their Broadway rendition of "Anaconda," get ready to hear those "slay" bells. Last year, the sensational group released a music video for their rendition of "Joy to the World." Let's just say, it's a good way to get a direct injection of that end-of-the-year magic. Prepare to be blown away by the performance above, and then watch their unbelievable take on "Hallelujah."