Justin Bieber is finally a grown up. In numbers, at least.
His teenage years have been rather turbulent recently (as our gallery below illustrates), but will his twenties be more peaceful?
Some of his latest Instagram snaps show him hanging out with his mum, which is sweet. But he also recently renamed himself 'Bizzle' - thus we think there are more controversial times to come yet for the 'Baby' singer.
Check out his 20 most troublesome moments (so far) below...
Justin Bieber Troublesome Moments
March 2011 (01 of20)
(credit:AP)
November 2011(02 of20)
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May 2012 (03 of20)
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July 2012(04 of20)
(credit:PA)
January 2013(05 of20)
(credit:AP)
March 2013 (06 of20)
(credit:AP)
7 March 2013(07 of20)
(credit:Splash)
April 2013(08 of20)
(credit:Instagram)
April 2013(09 of20)
(credit:Splash)
April 2013 (10 of20)
(credit:Flynet)
17 July 2013(11 of20)
(credit:PA)
5 August 2013 (12 of20)
(credit:Splash)
3 November 2013(13 of20)
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5 December 2013 (14 of20)
14 January 2014 (15 of20)
(credit:Splash)
23 January 2014(16 of20)
(credit:AP)
24 January 2014(17 of20)
(credit:AP)
30 January 2014 (18 of20)
(credit:AP)
5 February 2014 (19 of20)
(credit:PA)
27 February 2014 (20 of20)