On this page we have all the possible answers for 2015 Justin Bieber song that was just the 23rd ever to debut atop the Billboard Hot 100 4 wds
This clue is the most likely answer that we have found, although there might be some other answers as well that you may want to take into consideration for "2015 Justin Bieber song that was just the 23rd ever to debut atop the Billboard Hot 100 4 wds".