4K A Pentatonix Christmas Special (2016) online Year: 2016 Country: USA Director:Unknown director Stars: Pentatonix, Kelly Clarkson, Briana Lee Stars: Pentatonix, Kelly Clarkson, Briana Lee Genre: Musical "A Pentatonix Christmas Special" celebrates the holiday season with a one-hour television event where viewers can enjoy the Grammy Award-winning musical phenomenon Pentatonix performing an array of classic holiday tracks as well as modern favorites Watch A Pentatonix Christmas Special (2016) online