{{Infobox Song|image = File:HairUpmusicvideo.jpeg|name = Hair Up|singer = Justin Timberlake, Gwen Stefani, Ron Funches|preceeded by = N/A|followed by = Can't Stop The Feeling!Hair Up is a song from Trolls. The song is performed by Justin Timberlake, Gwen Stefani, and Ron Funches, who is also the voices of Branch, DJ Suki, and Cooper. It played when Trollstice time begins, Chef captures the Trolls, and during the end credits.