He also spoke at length about his faith
Singer calls for respect from fans in a series of Snapchat videos
Bieber unsure whether West-produced music will make his next album
The surprise pairing took place at the Universal Inside 2015 conference in Berlin
The singer was appearing on 'The Today Show'
It took place at a small gig in Angola, Indiana over the weekend
'What Do You Mean?' was streamed 3.2 million times in the UK in a week, and sold 84,000 copies
Canadian singer's new single 'What Do You Mean?' is also set to become his first UK Number One single
Canadian singer has never had a UK chart-topping single
'Girls' creator appeared to criticise Bieber in a previous social media post