Fifth Harmony become Fourth Harmony for a night.
UPDATE // DECEMBER 15:
Lauren Jauregui penned a letter to fans about the mishap:
UPDATE // DECEMBER 14:
Lauren Jauregui's lawyer issued a statement to Billboard. It reads:
EARLIER // DECEMBER 14:
Lauren Jauregui was not arrested and detained as reported, but simply given a citation for possession of marijuana and released on her own recognizance. She will address the matter appropriately through the legal system. This will not interfere with any future scheduled performances or activities.