TV Article Pentatonix 'That's Christmas to Me' performance for Logo's 'Happy Holigays' special By Danielle Zhu Published on December 11, 2015 01:37PM EST Photo: Jeff Kravitz/AMA2015/FilmMagic As part of its “Happy Holigays” special, Logo has enlisted Pentatonix to join in on the yuletide festivities. The network’s holiday programming event kicks off Sunday with RuPaul’s Drag Race: I’m Dreaming of a Green Screen Christmas at 8 p.m. ET and continues until the end of the year. Throughout the three weeks, the Grammy Award-winning group will be performing holiday classics and original songs in between airings of films like Love, Actually and The Family Stone, and holiday episodes of shows like The Golden Girls, The Facts of Life, Roseanne, and Will & Grace. Watch the exclusive clip below to hear them perform their song, “That’s Christmas to Me.”