How old was Justin Bieber when he sang “Baby”?By Olivia Harrison / September 26, 2023 745 viewsOctober 16, 2023General KnowledgeGeneral Knowledge Olivia Harrison300 September 26, 2023 0 Comments At what age did Justin Bieber sing the song “Baby”? 1 Answer ActiveVotedNewestOldest 0 Elaria2.42K Posted October 16, 2023 0 Comments Justin Bieber was 16 years old when he sang “Baby”. Elaria Changed status to publish October 16, 2023 Register or Login