From 'Who's Shawn Mendes?' to 'So proud of you brother!'
At one point, Justin Bieber totally had no idea who Shawn Mendes was. But now, the pop superstar is giving his all out support for the teen singer-songwriter - expressing his admiration towards the teen singer-songwriter in a series of tweets! Plus, Justin even promoted Shawn's latest album Illuminate on his own Twitter account!
Shawn, on the other hand, excitedly responded to Justin's tweets!
What can you say about the two Canadian pop stars' exchange of tweets? Share your thoughts by leaving a comment!