Today is a big day for Justin Bieber: the singer is celebrating his 22nd birthday! To commemorate the occasion, we're honoring the star by looking back at some of his most memorable hair looks ever.
Different moments in Justin's long career have been defined by changes in his musical sound, but he has also had different hairstyles at each milestone too – from his iconic swoop hairstyle that he was rocking when it all started, to the bleached blond style he adopted during his current Purpose era.
Click through the gallery to see 10 of Justin's most memorable hairstyles of all time. Then, make sure to wish him a very happy birthday by commenting below.