Justin Bieber became “emotional” when he watched actor Jacob Tremblay’s portrayal of him in the pop star’s new Lonely music video.The star dropped his latest single on Friday (October 16, 2020) – a month after releasing his last offering Holy with Chance the Rapper – and he told fans on Twitter it was “hard” for him to revisit “tough chapters” in his life while working on the track.“Lonely is out now with @itsbennyblanco.