 Girls Aloud's cover of "Jingle Bell Rock" was originally featured on the Christmas bonus disc that came with the limited edition of 2005's "Chemistry".The artwork for the second disc features Girls Aloud draped over a Fender guitar amplifier.Girls Aloud's version of "I Think We're Alone Now" appears on the soundtrack to the film "It's a Boy Girl Thing" (2006), starring Samaire Armstrong and Kevin Zegers.